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HomeMy WebLinkAbout34-86 RESOLUTIONr(' RESOLUTION NO. :.3446 SCANNED A RESOLUTION AUTHORIZING THE MAYOR AND CITY CLERK TO EXECUTE A CONTRACT WITH SWEETSER OONSTRUCTION COMPANY FOR RENOVATION OF THE WHITE HANGAR FLOOR AT DRAKE FIELD. BE IT RESOLVED BY THE BOARD OF DIRECTORS OF THE CITY OF FAYErTEVILLE, ARKANSAS: That the Mayor and City Clerk are hereby authorized and directed to execute a contract with Sweetser Construction Company for renovation of the floor of the White Hangar at Drake Field. A copy of the contract authorized for execution hereby is attached hereto marked Exhibit "A" and made a part hereof. PASSED AND APPROVED this 4th day of , 1986. rs • • CONTRACT STATE OF. ARKANSAS CITY OF FAYETTEVILLE MICROFILMED 9 THIS CONTRACT, made and entered into this ((�_ day of / 1986 by and between the City of Fayetteville, Party of the First 'art, hereinafter called the CITY and Jerry D. Sweetser Inc., Party of the Second Part, hereinafter called the CONTRACTOR. WITNESSETH: WHEREAS, the CITY has called for bids for demolition and reconstruction of the floor at the Old White Hangar Building located at Drake Field Municipal Air- port as set out in the propos-al for Hangar Floor Renovation -Drake Field Air Museum in Specifications dated January, 1986 and as set out in the Specifications and Plans No. FY852175; and WHEREAS, the CONTRACTOR's proposal for conducting said work in accordance with said plans and specifications has been accepted by the Fayetteville, Board of Directors at their regular meeting of March 4, 1986, said proposal being dated February 26, 1986 as submitted by Jerry D. Sweetser Inc., 590 Popular St., Fayetteville, AR 72701. NOW THEREFORE, the CONTRACTOR agrees with the CITY to commence and complete the construction of said improvements in accordance with the Plans and Specifica- tions referred to herein, a copy of which is attached hereto, marked Exhibit'1'A" and made a part hereof, for the lump sum of $ 28,600.00 upon job completion. THE TOTAL SUM, being the agreed amount upon which bonds and liabilites are based, and Contractor at his own cost and expense shall furnish all material, supplies, labor, machinery, equipment, tools, supervision, bonds, insurance, taxes, permits, and`all other accessories and services necessary to complete the construction in accordance with the conditions and prices stated in CONTRACTOR's proposal. The CONTRACTOR agrees to fully complete all work called for in the Plans and Specifications within 45 calendar days after the date of the notice to'proceed. A1.1 work under this contract will be under the general inspection and supervision of the City's Engineer or his designated agents. Time is expressly made of the essence for the performance of this contract. The CONTRACTOR will be paid in one lump sum for all work called for herein upon job completion and acceptance by the City's Engineer.; The CONTRACTOR shall take out the necessary permits from the City of Fayetteville Inspection Department, which permits shall be obtained at no fee to the CONTRACTOR. The CONTRACTOR agrees to post a 100%performance and payment bond as called for in the Bid Specifications and submit, evidence of insurance coverage as required by the Bid Specifications and Conditions. 1 Page 2 • •CONTRACT March 12, 1986 The CONTRACTOR agrees to commence the work within ten (10) calendar days from the date of the issuance of the Notice to Proceed, and to proceed with the construction of the -work and to prosecute the work with an adequate workforce and in a manner so as to complete the work within thejime stipulated herein. If the Contractor fails to complete the contract within the time stipulated herein, the CONTRACTOR agrees to pay the CITY, asliquidated damages, the sum of two hundred dollars ($200.00) per day for each calendar day of delay in completion said amounts being fixed and agreed upon by and between the parties hereto. Because of the impracticability and extreme difficulty in fixing and ascertaining the actual damages the CITY would in such event sustain, said amounts are to be presumed by the parties to this contract to be the amounts of damage the CITY would .sustain. Said amounts of liquidated damages shall be deductiblefrom any amount due the CONTRACTOR upon final completion of the work, and CONTRACTOR shall be entitled only to the Final Estimate, less such amounts of liquidated damages. If the CONTRACTOR is delayed at any time in the progress of the work by any act or neglect of the CITY or of his employees, or by any other CONTRACTOR employed by the CITY, or by changes ordered in the work, or by strikes,lockouts, fire, unusual delay in transportation, unavoidable casualties or any causes beyond the CONTRACTOR's control, or by any cause which the Engineer shall decide to ,justify the delay, then the time of completion may be extended for such reasonable time as the Engineer may decide, subject to agreement by the CITY. No such .eztension.shall be made for delay occurring more then seven (7) days before a claim therefore is made in writing to the Engineer. In the case of continuing causeof delay, only one claim is necessary. In the event the CONTRACTOR abandons the work hereunder or fails,neglects or refuses to continue the work after ten (10) days written notice, given the CONTRACTOR by the CITY or by the ENGINEER, then the CITY shall have the option of (1) declaring this contract at an end, in which event, the CITY shall not be liable to the CONTRACTOR for any work theretofore performed hereunder or, (2) requiring the surety hereto, upon ten (10) days notice, to complete and carry out the contract of the CONTRACTOR: and, in that event, should the surety fail, neglect or refuse to carry out said contract, said CITY may complete the contract at its own expense, and maintain an action against the CONTRACTOR and the surety hereto for the actual cost of same; together with any damages or other expense sustained or incurred by the .CITY in completing this contract less the total amount provided for hereunder to be paid the CONTRACTOR, upon the completion of this Contract. This Contract shall be binding upon the heirs, representatives, successors, or assigns of the parties hereto,including the surety. IN WITNESS WHEREOF,.. the CITY and CONTRACTOR have hereto set their hand and seals respectively. Page 3" CONTRACT March 12, 11986 ' FIRM NAME: BY: WITNESSES: S4 ,54 /S,aPe-{--tic_ City of Fayetteville Fayetteville, Arkansas C ity C-1 e • BY: n(,uf, 44/2cliF}✓ Assistant Ma FAVETTEVILLE, ARKANSAS DEPARTMENT OF FINANCE P. 0. DRAWER F 72702 (601) 621.7700 no NOTICE WPROSPECTIVE BIDDERS The City of Fayetteville, Arkansas Purchasing office will accept sealed bids until 10:00 a.m. on February 26, 1986 for partial demolition and improvements to the Old White Hangar Building at Drake Field (Fayetteville Municipal Airport). Plans and specifications may be obtained from the Purchasing Office located at Room 209, Second Floor, City Administration Building, 113 W Mountain Street. The City reserves the right to accept or reject any or all bids, waive formalities in the bidding and make a bid award deemed to be in the best interest of the City. All bids must be good and firm and may not be withdrawn for a period of ninety (90) Calendar days after the date set for reciving the bids. All bidders are placed on notice that all applicable permits must be obtained (at no cost to contractor) prior the the beginning of any work. Any contract for this work will be under the supervision and inspection of the City's Engineer or his designated agents. This project is subject to availability of funds. Sturman Mackey Purchasing Officer Published in Northwest Arkansas Times on February 11, 1986. • • PROPOSAL HANGAR FLOOR RENOVATION DRAKE FIELD AIR MUSEUM FAYETTEVILLE MUNICIPAL AIRPORT FAYETTEVILLE, ARKANSAS Plans No. FY852175 Dated: January, 1986 City of Fayetteville Fayetteville, Arkansas Gentlemen: We �f� o the undersigned, states that�ie haav�car�fully examined the Pans, profiles, Specifications, maps, and drawings, on file in the office of the City Clerk, Fayetteville, Arkansas relative to the proposed Airport Improvements referenced above, and that we are familiar with the same and understands each and all; have examined the location and site; that all bids are made with the full knowledge of the Plans, profiles, Specifications and estimates and all provisions of the Contract and bonds; that this Proposal is made without collusion on the part of any person, firm or corporation. The undersigned states that we have experience in and are qualified to perform the work herein specified, and that if we do not have craftsmen experienced and qualified in any phase of the work for which this Proposal is offered, we will sub -contract the work under said phase to a Contractor who does have the necessary experience and qualifications. We further state that we will enter into the Contract to construct said construction as designated in the title of this Proposal in accordance with the Plans and Specifications on file in the office of the City Clerk of Fayetteville, Arkansas, and have said work completed within 40 calendar days from the Notice to Proceed, for the following scheduled prices. ITEM APPROX. NO. QUANTITY: 1 Lump Sum PROPOSAL SCHEDULE BASE BID ITEMS ITEM: UNIT PRICE: EXTENDED: Existing Pavement Demolition $ 30 00/1LS zc/p dollars/Lump Sum $3000• 2 30 CY ords) Undercut and Backfill (If required) 6 (Words) $ /0.- /CY dollars/Cubic Yard $ 300,00 3 50 Tons Crushed Stone Base $ /2°0 /Tons (As required) dollars/Tons $ GOO. °0 4 Lump Sum tA/( s ) Concrete Pavement Leveling Overlay �Ox[ fladaierea. 5 Lump Sum • Joint Sealing filler Tea Wo s 00 $.76, Cao./LS ars/Lump Sum $4,245-00, o s $3,2a0.1LS dollars/Lump Sum $32 00.°` $ g 6'Qo. TOTAL BASE BID • % S Enclosed herewith is a bid bond for S % dollars ($ ) which we agree the City of Fayetteville, Arkansas may cash and retain as liquidated damages in the event of our failure to enter into a contract for the work covered by this Proposal, provided the Contract is awarded to us within thirty (30) days from the date fixed for opening of bids and we fail to execute said contract and execute the required bonds as called for in the specifications within fifteen (15) days after notification of acceptance of this Proposal. The bidder hereby acknowledges receipt of the following Addenda prior to submitting this Proposal* Addenda No. Dated and such addenda are attached hereto and made a part hereof. Dated at Fayetteville, Arkansas, this ;Z G (�(/! , 1986. (SEAL, IF CORPORATION) Respectfully submitted, day of �o 1g°e sr- Bu inessAdd ne,de or..444-te Arkansas License No. 35-- - /1 7 r�' • GENERAL REQUIREMENTS SCOPE OF WORK. This project consists of the floor renovations to the large original aircraft hangar at Drake Field, Fayetteville Municipal Airport. The floor renovations consist of• the removal of the deteriorated concrete floor sections; the removal of a low pressure gas line along the east and west walls at the floor level; the replacement of the deteriorated area with a 6 -inch concrete slab; the removal of unstable -soil material and backfill with select material, if required; the placement of crushed stone base material below replacement slabs as required; the construction of 8 -inch transition slabs at each end of the hangar; the construction of a minimum 3; -inch concrete leveling and strengthening overlay of the hangar floor; and the sealing of all joints using a jet fuel resistant sealer. COORDINATION WITH OWNER. The work on this project consists of improvements to the hangar on an airport under continual operation. The contractor shall cooperate with the Airport Management so as not to interfere with aircraft movement and operations on the surrounding aprons. The contractor shall limit his equipment's operation to within 50 feet of the north and east sides of the hangar and to within 100 feet of the south side of the hangar. The access gate to the project site is indicated on the Plans. CONTRACTOR'S RESPONSIBILITY REGARDING SPECIAL APPLICATION MATERIALS AND PRODUCTS. Within this project may be specified certain materials or products, which may be major components of the project or may be ancillary to major components, and which, due to their specified characteristics and/or capabilities, may be required as essential parts of the project. These materials or products are special in that they require special techniques in their application, and therefore, require experienced and skilled craftsmen. These materials or products include, but are not limited to the following: Sealants, lubricants, paints, primers, lacquers, stains, thinners, solvents, curing compounds; mastics, bitumens, tars, waterproofing agents, insulating compounds, cementitious compounds, fillers, and epoxies. In furnishing and installing any of the above materials or products the Contractor shall be guided by and adhere to all of the manufacturer's recommendations or instructions relative to the material or products, including but not limited to the following: Handling, storing, mixing, heating, protection from freezing, application, protection after application, protection of workmen, and curing and preparation of surfaces prior to application. • The Contractor shall be liable for any failure of such material or products as applied to conform to the characteristics and/or capabilities of each as required by the specifications. TESTING. Compaction testing and concrete cylinder testing shall be completed in accordance with the applicable Specifications. The laboratory completing the testing shall be retained by the Owner. The cost of the tests will be borne by the Owner, except that retests, made after first tests have failed, will be paid for by the Contractor. In view of this, the Contractor will want to be certain that he is ready for compaction when he requests that they be made. Specifications - 2 • EXISTING PAVEMENT DEMOLITION • DESCRIPTION GENERAL. This item shall include demolition and disposal of existing pavement, anavation, within the limits of the work required to construct the hangar floor overlay in accordance with these Specifications and in conformity with the dimensions and typical sections shown on the Plans. EXISTING PAVEMENT DEMOLITION. This item relates solely to work to be performed in conjunction with construction of the hangar floor renovations. The Plans designate the location of existing concrete pavement which shall be demolished and removal preparatory to constructing the hangar floor overlay improvements. These existing pavement area is in poor condition and must be removed, and disposed of off-site, before construction of the new pavement can be undertaken. Additionally, some subgrade materials directly beneath the existing pavements may require undercut to a depth which will permit the construction of the required pavement sections. Existing subgrades under the slab removal areas which are unstable or unsuitable shall be removed and replaced in accordance with the subsection appearing hereafter, entitled "FOUNDATION FOR EMBANKMENT". UNCLASSIFIED ON-SITE EXCAVATION. This work shall consist of any undercut required to permit the construction of the full depth of the specified pavement sections or removal of unstable or unsuitable material. Excavation of all material shall be defined as "Unclassified Excavation". "Unclassified Excavation" shall include all excavation performed under this item regardless of the material encountered. COMPACTED OFF-SITE BORROW. All embankment material to be used as replacement material below pavement section, as shown on the Plans, shall be supplied from an off-site borrow location(s) approved by the Owner. CONSTRUCTION METHODS EXISTING PAVEMENT DEMOLITION. The limits of pavement demolition for the project are indicated on the Plans. The Contractor shall, by mechanical means, demolish and remove the existing pavements and dispose of them off-site at an location. Additionally, the subgrade materials directly beneath the demolished pavements may be required to be undercut to the extent required to construct the specified pavement sections. None of the demolished pavement materials, nor material undercut beneath them, shall be stockpiled or utilized on the project site. Therefore, the price for demolition shall include haul to a suitable off-site disposal location. Separate payment for haul will not be made. EXCAVATION. Unstable material, unsuitable material, or other yielding material, unsatisfactory for subgrade foundation, shall be removed for a minimum of one foot in depth. This material shall be removed from the project site. The Specifications - 3 excavated area shall be refilled with borrow areas and thoroughly compacted constitute a part of the embankment. material shall be paid for at the Undercut and Backfill. • suitable material, obtained from off-site by rolling. The necessary refilling will This excavated material and the backfill Contract unit price per cubic yard for BORROW EXCAVATION. Borrow excavation shall consist of excavation made from borrow areas outside the airport. Borrow excavation shall be made only at designated locations and within the horizontal and vertical limits as directed. Since borrow sources are outside the boundaries of the airport property, it shall be the Contractor's responsibility to locate and obtain the supply, if required, subject to the approval of the Owner. The contractor shall notify the Owner, sufficiently in advance of the beginning of excavation, so that necessary measurements and tests (if any) can be made. All objectionable material shall be disposed of as directed. All borrow pits shall be opened up immediately to expose the vertical face of various strata of acceptable material to enable obtaining a uniform product. Borrow pits shall be excavated to regular lines and shall be drained and left in a neat, presentable condition with all slopes dressed uniformly. The off-site borrow material may be a locally available red silty clay with broken chert, provided a minimum of 50% of the material is retained on the No. 4 sieve. Other locally available borrow material may be approved providing the material has a Plasticity Index of 20, or less, and a Liquid Limit of not greater than 40. FORMATION OF EMBANKMENTS. No embankment shall be constructed until the Owner has approved the subgrade. Embankments under the pavement area which require excavation and backfill shall be formed entirely of off-site borrow material. Embankments shall be formed in successive horizontal layers of not more than 8 inches in compacted depth for the full width of the cross section. The grading operations shall be conducted to produce a stable embankment. All materials entering the embankment shall be reasonably free of organic matter such as leaves, grass, roots, and other objectionable material. Soil, granular material, shale, and any other material permitted for use in embankment shall be spread in successive layers as specified. Operations on earthwork shall be suspended at any time when satisfactory results cannot be obtained because of rain, freezing weather, or other unsatisfactory conditions of the field. The contractor shall drag, blade, or slope the embankment to provide proper surface drainage. The material in the layers shall be approximately 2 percent on the "wet side" of optimum moisture content before rolling to obtain the prescribed compaction. Wetting or drying of the material and manipulation when necessary to secure a uniform moisture content throughout the layer shall be required. Should the material be too wet to permit proper compaction or rolling, all work on all Specifications - 4 portions of the embankment thus affected shall be delayed until the material has dried to the required moisture content. Sprinkling shall be done with approved equipment that will sufficiently distribute the water. Sufficient equipment to furnish the required water shall be available at all times. Samples of all embankment materials for testing, both before and after placement and compaction, may be taken for each lift. From these tests, corrections, adjustments, and modifications of methods, materials, and moisture content may be made in order to achieve the correct density within the embankment material. Rolling operations shall be continued until the embankment is compacted to the required density as given below. The embankment shall be compacted, to a minimum depth of 6 inches and to a density of not less than 95% of the maximum density at optimum moisture as determined by the Standard Compaction Test ASTM D 698-78. Any areas inaccessible to a roller shall be consolidated and compacted by mechanical tampers. The in-place field density shall be determined in accordance with ASTM D2922. Compaction areas shall be kept separate, and no layer shall be covered by another until the proper density is obtained. During construction of the embankment, the Contractor shall route his equipment, both when loaded and when empty, over the layers as they are placed and shall distribute the travel evenly over the entire width of the embankment. The equipment shall be operated in such a manner that hardpan, cemented gravel, clay, or other chunky soil material will be broken up into small particles and become incorporated with the other material in the layer. In the construction of embankments, deepest portion of the fill; as constructed approximately parallel to starting layers shall be placed in the placement progresses, layers shall be the finished pavement grade line. Frozen material shall not be placed in the embankment nor shall embankment be placed upon frozen material. The Contractor shall be responsible for the stability of all embankments made under the Contract and shall replace any portion which, in the opinion of the Owner, has become displaced due to carelessness or negligence on the part of the Contractor. There will no separate measurement for payment for compacted embankment, and all costs incidental to placing in layers, compacting, disking, watering, mixing, sloping, and other necessary operations for construction of embankments will be included in the Contract price for Undercut and Backfill. EQUIPMENT. The Contractor may use any type of earth -moving, compaction, and watering equipment he may desire or has at his disposal, provided the equipment is in a satisfactory condition and is of such capacity that the construction schedule can be maintained as planned by the Contractor and as approved by the Specifications - 5 • • • Owner in accordance with the time allowed for the completion of construction. The Contractor shall furnish, operate, and maintain such equipment as is necessary to control uniform density, layers, section, and smoothness of grade. PREPARATION AND PROTECTION OF .THE SUBGRADE. When completed, the surface shall be true to the lines, grades, and cross section shown on the Plans or as directed by the Owner. Any irregularities or depressions that develop under rolling shall be corrected by loosening the material at these places and adding, removing, or replacing material until the surface is smooth and uniform. Any portion of the area which is not accessible to a roller shall be compacted to the required density by approved mechanical tampers. The material shall be sprinkled with water during rolling or tamping, when directed by the Owner. All soft and yielding material and material which will not compact readily when rolled or tamped shall be removed as directed by the Owner and replaced with suitable material. After grading operations are complete, all loose stones larger than 2 inches in their greatest dimension shall be removed from the surface of all proposed graded paving areas and removed. METHOD OF MEASUREMENT EXISTING PAVEMENT DEMOLITION. Demolished pavements shall be paid for by the complete item of removing and disposed of off-site. UNDERCUT AND BACKFILL. Undercut and backfill material, if required, shall be paid for by the number of cubic yards required to be removed and replaced. The pay quantity shall be calculated from "before and "after" cross-section information using the "average end areas" method, to the nearest 0.1 foot. The Contractor shall not remove any excavated material from the site without the Owner's approval, and shall measure the quantity in the presence of the Owner. Should the contractor not measure the quantity in the presence of the Owner, the contractor shall not have a claim for payment. BASIS OF PAYMENT EXISTING PAVEMENT DEMOLITION. Payment shall be made at the Contract lump sum price. This price shall be full compensation for labor, materials, equipment, tools, haul, disposal, and incidentals necessary to complete this item. UNDERCUT AND BACKFILL. Payment shall be made at the Contract unit price per cubic yard for undercut and backfill material for embankment under pavement. This price shall be full compensation for furnishing all materials, labor, equipment, tools, and incidentals necessary to complete the item. Specifications - 6 r • • • CRUSHED STONE BASE COURSE • • GENERAL The work to be done shall include furnishing of all equipment, materials, and other incidentals necessary, and performing all labor in every detail for the placing of a maximum 6 -inch layer crushed stone base course (SB -2) below the replacement concrete areas on an accepted subgrade in accordance with the Plans and as specified herein and as required. MATERIALS The materials and construction shall conform to the requirements specified in Section 306.02, Class SB -2, of the Arkansas State Highway Commission Standard Specifications for Highway Construction. The thickness of the base may be obtained from the Plans. CONSTRUCTION METHODS The base course material shall be placed on a completed and approved subgrade or existing base that has been bladed to substantially conform to the grade and cross section shown on the Plans. The subgrade shall be prepared as specified and shall be free from an excess or deficiency of moisture at the time of placing the base course. Base course material shall not be placed on a frozen subgrade or subbase The crushed stone shall be placed on the subgrade or other base course material and spread uniformly to such depth and lines that when compacted it will have the thickness, width and cross section shown on the Plans. If the required compacted depth of the base course exceeds 6 inches, the base shall be constructed in two or more layers of approximate_ equal thickness. The maximum compacted thickness of any one layer shall not exceed 6 inches. When vibrating or other approved types of special compacting equipment are used, the compacted depth of a single layer of the base course may be increased to 8 inches upon approval. The spreading shall be done the same day that the material is hauled, and it shall be performed in such manner that no segregation of coarse and fine particles nor. nests or hard areas caused by dumping the crushed stone on the subgrade will exist. To insure proper mixing, the crushed stone shall be bladed across the roadbed before being spread. Care shall be taken to prevent mixing of subgrade or shoulder material with the base course material in the blading and spreading operation. Each course shall be compacted by any satisfactory method that will produce the density hereinafter specified. The crushed stone shall be substantially Specifications - 7 maintained at optimum moisture during the mixing, spreading, and compacting operations, water being added or the material aerated as may be necessary. The specified grade and section shall be maintained by blading throughout the compaction operation. The material in course shall be crushed stone compacted across the full width of application. The compacted base course shall be tested for depth and any deficiencies corrected byscarifying, placing additional material, mixing, reshaping, and recompacting to the specified density, as directed. Testing. The crushed stone base course shall be compacted to a minimum density of 95% as determined by the Standard Proctor Test, ASTM D-698-78. Density Tests according to ASTM D-2922 will be performed by a Testing Laboratory retained by the Owner to assure the compaction has been obtained. The Owner will bear the cost of all passing tests. The Contractor shall bear the cost for all tests which do not meet the Specifications. METHOD OF MEASUREMENT AND BASIS FOR PAYMENT The quantity of crushed stone base (SB -2) material delivered, placed and compacted by the Contractor to be paid shall be the total number of tons determined from weight tickets delivered with each truckload and surrendered to the Owner. Payment shall be made for the number of tons completed and accepted by the Owner at the unit prices bid in the Proposal. Payment shall be full compensation for the furnishing of all materials, labor, equipment, and other incidentals necessary to complete this item of work. Specifications - 8 • PORTLAND CEMENT CONCRETE PAVEMENT DESCRIPTION. This item shall consist of plain structural portland cement concrete pavement, prepared and constructed in accordance with these Specifications, at the locations and of the form and dimensions shown on the Plans. The concrete shall be composed of coarse aggregate, fine aggregate, portland cement, and water. MATERIALS GENERAL. Materials, conforming to the requirements of these Specifications, shall be used in the work. They may be subjected to inspection and tests at any time during the progress of their preparation or use. Representative preliminary samples of the materials shall be submitted by the Contractor, when required, for examination and test. Materials shall be stored and handled to insure the preservation of their quality and fitness for use and shall be located to facilitate prompt inspection. All equipment for handling and transporting materials and concrete must be clean before any material or concrete is placed therein. In no case shall the use of pit -run or naturally mixed aggregates be permitted. The mixing of different kinds of aggregates from different sources in one storage pile or alternating batches of different aggregates will not be permitted. COARSE AGGREGATE. The coarse aggregate for concrete shall meet the requirements of ASTM C-33. Sieve Size % Passing 100 1" 90-100 25-60 #4 0-10 Specifications - 9 • FINE AGGREGATE. The fine aggregate for concrete shall meet the requirements of ASTM C-33. The fine aggregate shall be well graded from fine to coarse and shall meet the following grading requirements, when tested in accordance with ASTM C-37: Sieve designation Percentage by weight (square openings) passing sieves 3/8 inch 100 No. 4 - 95-100 No. 16 45-80 No. 30 25-55 No. 50 10-30 No. 100 2-10 Blending will be permitted, if necessary, in order to meet the gradation requirements for fine aggregate. Fine aggregate deficient in the percentage of material passing the No. 50 mesh sieve may be accepted, provided that such deficiency does not exceed 5% and is remedied by the addition of pozzolanic or cementitious materials other than portland cement, as specified in 610-2.6 on admixtures, in sufficient quantity to produce the required workability as approved by the Engineer. CEMENT. The cement used shall be portland cement conforming to the requirements of the type specified: (a) Portland cement (b) Air entraining portland cement ASTM C-150 ASTM C-260 WATER. The water used in concrete shall be free from sewage, oil, acid, strong alkalies, vegetable matter, and clay and loam. If the water is of questionable quality, it shall be tested in accordance with AASHTO T 26. ADMIXTURES. The use of any material added to the concrete mix shall be approved by the Engineer. Before approval of any material, the Contractor shall be required to submit the results of complete physical and chemical analyses made by an acceptable testing laboratory. Subsequent tests shall be made of samples taken by the Engineer from the supply of the material being furnished or proposed for use on the work to determine whether the admixture is uniform in quality with that approved. - Pozzolanic admixtures shall be fly ash meeting the requirements of ASTM C 311 or raw or calcined natural pozzolans meeting the requirements of ASTM C 618. Specifications - 10 • Air -entraining admixtures shall meet the requirements of ASTM C-494. Air entraining admixtures shall be added at the mixer in the amount necessary to produce 5% t 1% air content, by volume. Water -reducing, '494, Type A, Water -reducing air -entraining instructions. set -controlling admixtures shall meet the requirements of ASTM C water -reducing or Type D, water -reducing and retarding. admixtures shall be added at the mixer separately from admixtures in accordance with the manufacturer's printed JOINT FILLER. Joint Sealing filler shall consist of a resilient and adhesive joint sealing filler capable of effectively sealing joints in portland cement concrete pavements, and shall conform to the following type specified in the section Joint Sealing Filler. Jet Fuel Resistant, Hot applied, conforming to and with either ASTM D-1854 or D-3569. STEEL REINFORCEMENT. Concrete reinforcing shall consist of deformed bars of either structural, intermediate, or hard grade billet steel meeting. To qualify as deformed, bars shall conform to the requirements of ASTM A 615. CALCIUM CHLORIDE. When calcium chloride is not permitted in the concrete as an accelerator. COVER MATERIALS FOR CURING. Curing materials shall be Liquid Membrane -Forming Compounds for Curing Concrete (Type 2) per ASTM C-309. CONSTRUCTION METHODS GENERAL: The Contractor shall furnish all labor, materials, and services necessary for, and incidental to, the completion of all work as shown on the drawings and specified herein. All machinery and equipment owned or controlled by the Contractor, which he proposes to use on the work, shall be of sufficient size to meet the requirements of the work, and -shall be such as to produce satisfactory work; all work shall be subject to the inspection and approval of the Owner. The Contractor shall employ, at all times, a sufficient force of workmen of such experience and ability that the work can be prosecuted in a satisfactory and workmanlike manner. CONCRETE PROPORTIONS. The concrete shall consist of a mixture of coarse aggregate, fine aggregate, portland cement, and water. All aggregates and bulk cement shall be measured by weight. In proportioning aggregates and mixing water, compensation shall be made for the weight of moisture in the aggregates, and this shall be determined periodically. Specifications - 11 • Concrete Proportions Cement Type of content 28 Day Minimum Slump coarse (min. Strength Air range aggregate bags) (min.) Content (inches) Crushed stone 5.5 3500 psi 5% +1% 3-5 The proportions in the above table are based on the use of well -graded aggregates. If it is impossible with the aggregates selected to prepare concrete of the proper consistency without exceeding the maximum net water content specified, the total weight of aggregate shall be reduced by the Engineer until concrete of the proper consistency is obtained without exceeding the maximum net water content specified. However, the Contractor shall not be compensated for any additional cement which may be required by such adjustment. The minimum strength for the concrete shall be 3500 psi at 28 day. The weights specified in the above table were calculated for aggregates of the following bulk specified gravities: Natural sand and gravel, 2.65; crushed stone, 2.70. For aggregates of specific gravities differing more than ± 0.02 from those given above, the weights given in the tables shall be corrected. The quantities shown for cement and water shall control, and the weights of aggregates shall be varied to secure the proper yield based on absolute volumes. When a special mix requiring a reduction in the amount of water is desired, the quantities of aggregate shall be increased to maintain the specified yield. If at any time such cement content is found to be less than that specified per cubic yard, the batch weights shall be reduced until the amount of cement per cubic yard of concrete conforms to the requirements. The net mixing water shall be adjusted for the moisture contained in the aggregates, and for the moisture which they will absorb, in order to determine the amount of water to be added at the mixer. The absorption of the fine and coarse aggregates shall be determined by ASTM C-127 and C-128. When an air -entraining agent or air -entraining portland cement is used, there will be a bulking of the mortar of the concrete due to the amount of entrained air To keep the cement factor specified at the correct amount, the weight of the fine aggregate shall be reduced. The reduction in the fine aggregate shall be determined by yield tests as specified. Under average conditions the reduction of the sand should be about 3% of the total weight of the fine and coarse aggregate. The air content of the concrete shall be between 4 and 6%, by volume. Specifications - 12 • S The air content by volume shall be based on measurements made on concrete immediately after discharge from the mixer in accordance with .ASTM C-123 or C-231. CONTROL TESTS. The Contractor shall make test cylinders from the concrete as mixes for work as herein specified. Concrete cylindrical test specimens shall be made in accordance with ASTM C-31. The Contractor shall cure and store the test specimens under such conditions as directed. The Engineer will make the actual tests on the. specimens at no -- expense to the Contractor. PROPORTIONING AND MEASURING DEVICES. When package cement is used, the quantity for each atc shall e equal to one or more whole sacks of cement. The aggregates shall be measured separately by weight. If aggregates are delivered to the mixer in batch trucks, the exact amount for each mixer charge shall be contained in each batch compartment. Weighing boxes or hoppers shall provide means of regulating the flow of aggregates into the batch box so that the required and exact weight of aggregates can be readily obtained. CONSISTENCY. The consistency of the concrete shall be checked by the slump test specified in ASTM C-143. MIXING. Concrete may be mixed at a central ,point, or wholly or in part in truck mixers. Whichever mixing process is used, concrete of the specified proportions and consistency shall be produced. MIXING CONDITIONS. The concrete shall be mixed only in quantities required for immediate use. Concrete shall not be mixed while the air temperature is below 40°F. without permission of the Owner. If permission is granted for mixing under such conditions, aggregates or water, or both, shall be heated and the concrete shall be placed at a temperature not less than 50°nor more than 100°F. The Contractor shall be held responsible for any defective work, resulting from freezing or injury in any manner during placing and curing, and shall replace such work at his expense. Retempering of concrete by adding water or any other material shall not be permitted. The delivery of concrete to the job shall be in such a manner that batches of concrete will be deposited at uninterrupted intervals. FORMS. Concrete shall not be placed until all the forms and reinforcements have been inspected and approved by the Owner. Forms shall be of suitable material and shall be of the type, size, shape, quality, and strength to build the structure as designed on the Plans. The forms shall be true to line and grade and shall be mortar -tight and sufficiently rigid to prevent displacement and sagging between supports. The Contractor shall bear responsibility for their adequacy. The surfaces of forms shall be smooth and free from irregularities, dents, sags, and holes. Specifications - 13 The internal ties shall be arranged so that, when the forms are removed, no metal will show in the concrete surface or discolor the surface when exposed to weathering. All forms shall be wetted with water or with a nonstaining mineral oil which shall be applied shortly before the concrete is placed. Forms shall be constructed so that they can be removed without injuring the concrete or concrete surface. The forms shall not be removed before the expiration of at least 30 hours from vertical faces, walls, and similar structures; forms supported by falsework under slabs, beams, and similar construction shall not be removed until tests indicate that at least 60% of the design strength of the concrete has developed. PLACING REINFORCEMENT. All reinforcement shall be accurately placed, as shown on the Plans, and shall be firmly held in position during concreting. Bars shall be fastened together at intersections. The reinforcement shall be supported by approved metal chairs. Shop drawings, lists, and bending details shall be supplied by the Contractor when required. EMBEDDED ITEMS. Before placing concrete, any items that are to be embedded shall e firmly and securely fastened in place as indicated. All such items shall be clean and free from coating, rust, scale, oil, or any foreign matter. The embedding of wood shall be avoided. The concrete shall be spaded and consolidated around and against embedded items. PLACING CONCRETE. -All concrete shall be placed during daylight, unless otherwise approved. The concrete shall not be placed until the depth and character of the slab, the adequacy of forms, and the placing of the steel reinforcing have been approved. Concrete shall be placed as soon as practical after mixing and in no case later than 1 hour after water has been added to the mix. The method and manner of placing shall be such to avoid segregation and displacement of the reinforcement. Troughs, pipes, and chutes shall be used as an aid in placing concrete when necessary. Dropping the concrete a distance of more than 5 feet, or depositing a large quantity at one point, will not be permitted. Concrete shall be placed upon clean, damp surfaces, free from running water, or upon properly consolidated soil. The concrete shall be compacted with suitable mechanical vibrators operating within the concrete. When necessary, vibrating shall be supplemented by hand spading with suitable tools to assure proper and adequate compaction. Vibrators shall be manipulated so as to work the concrete thoroughly around the reinforcement and embedded fixtures and into corners and angles of the forms. The vibration at any joint shall be of sufficient duration to accomplish compaction but shall not be prolonged to the point where segregation occurs. Concrete deposited under water shall be carefully placed in a compact mass in its final position by means of a tremie, a closed bottom dump bucket, or other approved method and shall not be disturbed after being deposited. JOINTS. General. Longitudinal and transverse joints -shall be constructed -as indicated on the Plans and in accordance with these requirements. All joints shall be constructed true to line with their faces perpendicular to the surface of the pavement. Joints shall not vary more than 1/2 inch from a true line or Specifications - 14 from their designated position. The vertical surface of the pavement adjacent to all expansion joints shall be finished to a true plane and edged to a radius of 1/4 inch or as shown on the Plans. The surface across the joints shall be tested with a 10 -foot straightedge as the joints are finished and any irregularities in excess of 1/4 inch shall be corrected before the concrete has hardened. Transverse joints shall be at right angles to the longitudinal joints of the pavement and shall extend the full width of the slab. The transverse joints in succeeding lanes shall be placed in line with similar joints in the first lane. All joints shall be so prepared, finished, or cut to provide a groove of the width and depth shown on the Plans. Installation. The premolded joint material shall be placed and held in a vertical position; if constructed in sections, there shall be no offsets between adjacent units. When joints in concrete pavements are sawed, the joints shall be cut as shown on the Plans. The circular cutter shall be capable of cutting a groove in a straight line and shall produce a slot at least 1/8 inch wide and to the depth shown on the Plans. When shown on the Plans or required by the specifications, the top portion of the slot or groove shall be widened by means of a second shallower cut or by suitable and approved beveling to provide adequate space for .joint sealers. Sawing of the joints shall commence as soon as the concrete has hardened sufficiently to permit cutting without chipping, spalling, or tearing. Sawing shall be carried on both during the day and night as required. The joints shall be sawed at the required spacing consecutively in sequence of the concrete placement, unless otherwise approved by the Owner. Longitudinal Joints. 1 Construction. Longitudinal construction joints necessary for lane constructions all be formed against suitable side forms with or without keyways, as indicated in the Plans. Wooden forms may be used under special conditions, when approved by the Owner. The edges of the joint shall be finished with a grooving tool or edging tool, and a space or slot shall be formed along the joint of- the dimensions, as indicated, to receive the joint sealing material. Longitudinal construction joints shall be sawed to provide a groove at the top conforming to -the details and dimensions indicated on the Plans. (2) Contraction or weakened -plane type. The longitudinal groove formed or sawed in the top of the slab shall be installed where indicated on the drawings. The groove shall be formed in the plastic concrete with suitable tools •or material to obtain the width and depth specified, or it shall be sawed with approved equipment in the hardened concrete to the dimensions required. When the groove is formed in plastic concrete, it shall be true to line with not more than 1/4 inch (6 mm) variation in 10 feet (3 m); it shall be uniform in width and depth; and the sides of the groove shall be finished even and smooth with an edging tool. If an insert material - is used, the -Installation and edge finish shall be according to the manufacturer's instructions. The sawed groove shall be straight and of uniform width and depth. In either case, the groove shall be Specifications - 15 clean cut so that spalling will be avoided at intersections with transverse joints. Transverse Joints. Contraction. Transverse contraction joints, weakened -plane joints, or both, shall be Installed at the locations and spacing as shown on the Plans. These joints will be installed in the same manner as specified for construction joints and/or longitudinal joints above. Construction. Transverse construction joints shall be installed at the end of eachday placing operations and at any other points within a paving lane when concrete placement is interrupted for more than 30 minutes or it appears that the concrete will obtain its initial set before fresh concrete arrives. When the installation of the joint can be planned in advance, it shall be located at a contraction or expansion point. EXPANSION JOINTS. Expansion joints shall be placed at points indicated on the Plans. Unless shown, reinforcement steel shall not extend across an expansion joint. The break between two adjacent sections shall be complete. Exposed edges of expansion joints shall be rounded. Expansion joints shall be filled with a joint sealer. Build up expansion joint filler shall consist of an elastic structure enclosed by outside layers of felt impregnated with asphalt. The complete filler shall not be less than one-half (}) inch in thickness. All built up joint filler shall have concrete poured directly against both faces, and shall be installed in accordance with the Plans or the Engineer's instructions. Where joint filler is placed against hardened concrete, the concrete surface shall be primed with asphalt primer and then mopped with a heavy coat of hot roofing asphalt. The joint filler shall then be firmly pressed into the hot asphalt, so that it becomes firmly cemented thereto. Concrete shall then be poured directly against the filler. DEFECTIVE WORK. Any defective work disclosed after the forms have been removed shall be immediately removed and replaced. If any dimensions -are deficient, or if the surface of the concrete is bulged, uneven, or shows honeycomb, which in the opinion of the Engineer cannot be repaired satisfactorily, the entire section shall be removed and replaced at the expense of the Contractor. SURFACE FINISH. All exposed concrete surfaces shall be true, smooth, free from open or rough spaces, depressions, or projections. The concrete in horizontal plane surfaces shall be brought flush with the finished top surface at the proper elevation and shall be struck -off with a straightedge and floated. Mortar finishing shall not be permitted, nor shall dry cement or sand -cement mortar be spread over the concrete during the finishing of horizontal plane surfaces. CURING AND PROTECTION. All concrete shall be properly cured and protected by the contractor. The work shall be protected from the elements., flowing water, and from defacement of any nature during the building operations. The concrete shall be cured as soon as it has sufficiently hardened by covering with an Specifications - 16 approved material. Water -absorptive coverings shall be thoroughly saturated when placed and kept saturated for a period of at least 3 days. All curing mats or blankets shall be sufficiently weighted or tied down to keep the concrete surface covered and to prevent the surface- from being exposed.to to currents of -- air. Where wooden forms are used, they -shall be kept wet at all times until removed to prevent the opening of joints and drying out of the concrete. Traffic shall not be allowed on concrete surfaces for 7 days after the concrete has been placed. COLD WEATHER PROTECTION. When concrete is placed at temperatures below 40°F., the Contractor shall provide satisfactory methods and means to protect the mix from injury by freezing. The aggregates, or water, or both, shall be heated in order to place the concrete at temperatures between 500 and 100°F. After the concrete has been placed, the Contractor shall provide sufficient protection such as cover, canvas, framework, heating apparatus, etc., to enclose and protect the structure and maintain the temperature of the mix at not less than 50°F. until at least 60% of the design strength has been attained. FILLING JOINTS. The joints shall be soaked in accordance with section Joint Sealing riFler. METHOD OF MEASUREMENT The concrete replacement and the concrete overlay shall be measured as the completed item of replacement of deteriorated concrete and minimum 31 -inch concrete pavement overlay completed in accordance with the specification and accepted by the Owner. BASIS OF PAYMENT Payment shall be made according to the lump sum price bid in the Proposal. Payment under this item shall be full compensation for furnishing of all materials, labor, and other incidentals necessary to complete this item. Specifications - 17 JOINT SEALING FILLER DESCRIPTION This item shall consist of providing and installing a resilient and adhesive joint sealing filler capable of effectively sealing joints and cracks in pavements. MATERIALS JOINT SEALERS. Joint sealing materials shall meet the requirements of ASTM D1854 - Jet -Fuel -Resistant Concrete Joint Sealer, Hot -Poured Elastic Type or ASTM D3569 - Joint Sealant, Hot -Poured, Elastometric, Jet -Fuel -Resistant type, for Portland Cement concrete Pavements. Each lot or batch of sealing compound shall be delivered to the jobsite in the manufacturer's original sealed container. Each container shall be marked with the manufacturer's name, batch or lot number, and the safe heating temperature and shall be accompanied by the manufacturer's certification stating that the compound meets the requirementsof this specification. CONSTRUCTION METHODS TIME OF APPLICATION. Joints shall be sealed as soon after completion of the curing period as feasible. The pavement temperature shall be above 50 degrees F at the time of installation of the poured joint sealing material. PREPARATION OF JOINTS. Immediately before sealing, the joints shall be thoroughly cleanedof all laitance, curing compound, and other foreign material. Cleaning shall be accomplished by sandblasting using a multiple pass technique. Upon completion of cleaning, the joints shall be blown out with compressed air. The installation of a primer shall be used if recommended by the manufacturer. The joint faces shall be surface dry when -the seal is applied. - INSTALLATION OF SEALANTS. Joints shall be inspected for proper width, depth, alignment, and preparation, and shall be approved by the Owner before sealing is allowed. Sealants shall be installed in accordance with the following requirements: Hot Poured Sealants. The joint sealant shall be applied uniformly solid from bottom to top and shall be filled without formation of entrapped air or voids. A backing material shall be-- placed as shown .on the plans and shall be nonadhesive to the concrete or the sealant material. The heating kettle shall be an indirect heating type, constructed as a double boiler. A positive temperature control and mechanical agitation shall be provided. The sealant shall not be heated to more than 20 degrees F below the safe heating temperature. The safe heating temperature can be obtained from the manufacturer's shipping container. A direct connecting pressure. type extruding Specifications - 18 device with nozzles shaped for the insertion into the joint shall be provided. Any sealant spilled on the surface of the pavement shall be removed immediately. The use of backup material or bond breaker in the bottom of the joint to be filled shall be used to control the depth of the sealant and achieve the desired shape factor, and to support the sealant against indentation and sag. Backup materials and bond breakers should be compatible with the sealant, should not adhere to the sealant, should be compressible without extruding the sealant, and should recover to maintain contact with the joint faces when the joint is open. METHOD OF MEASUREMENT Joint sealing material shall be measured as the complete item of installing the primer, backer material, and sealant completed and accepted by the Owner. BASIS OF PAYMENT Payment for joint sealing material shall be made at the contract lump sum price. The price shall be full compensation for furnishing all materials, for all preparation, delivering, and placing of these materials, and for all labor, equipment, tools, and incidentals necessary to complete the item. Specifications - 19 Y.. .:. n ...x. 5'::::r! : YM .::: tl' :' ! I ^.r :, i:r : ::u 5H:fY.' :•••i �"J .. .. � c... p�:? e4h iY„L i :.. ,(, d'+';:.,� 1Y6'r'f:rr 4.i, J;� k z , ;ex �.iA b:y7 :. �.. r, 315 re � . • ,i:,: ... 1 ::: � Y 5 ..,, :k:1 .: � � i::.i: Ir•�� ,::. , w :a, r{' 5i s�, • ARANTY COMPANY UNITED STATES FIDEL*Stm cc ,g6. ;M1 BID BOND lilt BONDNUMBER........................................................................................ KNOW ALL MEN BY THESE PRESENTS: . 5- THAT.......................................�.T.P..X'�.'...A.....�k.S82'.....711C.................................................................................................................. .........6. of ................kclY k�Y..7�� ,...F I15Z5......6.......................... m ............................................................................................................................................................. as Principal and UNITED STATES FIDELITY AND GUARANTY COMPANY, a Maryland corporation, as Surety, are held and firmly bound unto.........._e...kA,S............................................. -; Ais..MUseI l[D..........................................................................................................................................................................................6.4..................... as Obligee, in the full and just sum of......FV...P�,L•�X1,:....L`,2.$.)....Q....S'.............................................................................................. ... .................................................................................................................................................................................................................................. Dollars, ?ct .. lawful money of the United States, for the payment of which sum, well and truly to be made, we bind ourselves, our heirs, executors, administrators, successors and assigns, jointly and severally, firmly by these presents. WHEREAS, the said Principal is herewith submitting its proposal for furnishing all labor and materials for hangar floor renovation, Drake Field Air Museum, Fayetteville, Arkansas, Plan #FY852175. THE CONDITION OF THIS OBLIGATION is such that if the aforesaid Principal shall be awarded the contract the said Principal will, within the time required, enter into a formal contract and give a good and sufficient bond to secure the performance of the terms and conditions of `• ' 'the contract,'.then-this-obligation otherwise the Principal -arid -Surety -will pay unto the Obligee the difference in money between — - the amount of the bid of the said Principal and the amount for which the Obligee legally contracts with another party to perform the work ,- if the latter amount be in excess of the former, but in no event shall liability hereunder exceed the penal sum hereof. Signed, sealed and delivered........2/2€/8€.. (Date) ::: Jerry D. S�r. .................. ieetse .................................. Inc. .......................................ISEAU :.. ............. 77 ....�(SEAU .m.� 11QE.d12. ..... c Secretary Pres eRt\'y _y✓i {. -1 UNITED STATES FIDELITY AND GUARANTY -COMPANY '..' r,. 1 Neil anner S Attotnev-in•faci • i?tf' n)i;i '•r ,v4(�jir.. r- v. ', fe: .• ...'i r `.:: . •.A . t ii.i Re . : &iiIP s f •' &\JJt (SEAL) e CERTIFIED COPY GENERAL POWER OF ATTORNEY No............ 83788.......... Know all Men by these Presents: That UNITED STATES FIDELITY AND GUARANTY COMPANY, a corporation organized and existing under the laws of the State of Maryland, and having its principal office at the City of Baltimore, in the State of Maryland, does hereby constitute and appoint Neil Danner of the City of Fayetteville State of Arkansas its true and lawful attorney in and for the State of , Arkansas for the following purposes, to wit: To sign its name as surety to, and to execute, seal and acknowledge any and all bonds, and to respectively do and perform any and all acts and things set forth in the resolution of the Board of Directors of the said UNITED STATES FIDELITY AND GUARANTY COMPANY, a certified copy of which is hereto annexed and made a part of this Power of Attorney; and the said UNITED STATES .FIDELITY AND GUARANTY COMPANY, through us,its_ Board of Directors, hereby ratifies and confirms all and whatsoever the said Neil Danner by virtue of these presents. the said UNITED STATES FIDELITY AND GUARANTY COMPANY has caused this instrument to be July attested by the signatures of its Vice -President and Assistant Secretary, this 25th day of May , A. D. 1973 (Signed) (Signed) STATE OF MARYLAND, ) BALTIMORE CITY, UNITED STATES FIDELITY AND GUARANTY COMPANY. By......4.....Bertram. V. Sealy,.,Jre....... Vice -President. David L. Royer ....................................................... Assistant Secretary. On this 25th • day of May , A. D. 1973, before me personally came Bertram W. Sealy, Jr. ,Vice -President of the UNITED STATES FIDELITY AND GUARANTY COMPANY and David L. Royer , Assistant Secretary of said Company, with both of whom I am personally acquainted, who being by me severally duly sworn, said that they resided in the City of Baltimore, Maryland; that they, -the said._ .Bertram,!.. Sealy,.Jr.a..-_ and"_David L..Royer _---.-. _ were esyectively the Vice -President and the Assistant Secretary of the said' UNITED STATES FIDELITY AND GUARANTY COMPANY, the - cor- poration described in and which executed the foregoing Power of Attorney; that they each knew the seal of said corporation; that the seal affixed to said Power of Attorney was such corporate seal, that it was so fixed by order of the Board of Directors of said corpora- tion, and that they signed their names thereto by like order as Vice -President and Assistant Secretary, respectively, of the Company. My commission expires the first day in July, A. D. 19.7.`); .... Y (SEAL) (Signed) .........Herbert..1...Aull Notary Public. STATE OF MARYLAND 1 BALTIMORE C[TY, Sct. I. Robert H. Bouse , Clerk of the Superior Court of Baltimore City, which Court is a Court of Record, and has a seal, do hereby certify that Herbert J. Aull , Esquire, before whom the annexed affidavits were made, and who has thereto subscribed his name, was at the time of so doing a Notary Public of the State of Maryland, in and for the City of Baltimore, duly commissioned and sworn and authorized by law to administer oaths and take acknowledgments, or proof of deeds to be recorded therein. I further certify that I am acquainted with the handwriting of the said Notary, and verily believe the signature to be his genuine signature. In Testimony Whereof, I hereto set my hand and affix the seal of the Superior Court of Baltimore City, the same being a Court of Record, this 25th day of May , A. D. 19 73 ( SEAL Robert H. Bouse ) (Signed) Clerk of the Superior Court of Baltimore City. FS 3 (9-67) w_.. 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