Document 3e5VLmeZo29GXR7o28omGgR00

SPECIFICATION NOo 4239 FOR VINYL ASBESTOS TILE FLOORING FOR INCREASED BRANCHED POLYETHYLENE FACILITIES AT VICTORIA PLANT VICTORIA, TEXAS BY S. I. DU PORT DS NEMOURS & CO*, INS. Wilmington, Delaware PROJECT 3210 March 18,1960 APPROVED BYs De^ffx Dlrlaion^~^ `Bata DUP 0 00 W 00 01 SPECIFICATIONS FOR VINYL ASBESTOS TILE FLOORING 1. GENERAL lol Scope - this specification covers the materials and applica tion procedures for vinyl aabesto tile floors and rubber base where called for on the drawings. 1.2 Intent - The intent of these specifications is to set forth the quality of materials of construction and workmanship required for the performance of the work involved. lo3 Manufacturers* Products are named for the purpose of describ ing the material desired, and such naming shall not be construed as preventing the use of materials of equal kind, quality, and color, manufactured by others, unless such other materials are specifically denied acceptance herein. Samples of proposed alternate materials together with complete physical and chemical properties and data, as applicable, shall be submitted to the Design Division, Architectural and Civil Section, for approval before any such materials are shipped ^*4 to the site, unless this requirement is waived for the material in volved. 1.4 Definitions 1.4.1 Reference to "Du Pont* means any authorised representative of E. I. du Pont de Nemours & Co., Inc. 1.4.2 Reference to the "Design Division" means the Design Division of Du Pont. 1.4.3 Reference to "Federal Specification" shall mean the following authority: Federal Specifications General Services Administration Superintendent of Documents U.S.Government Printing Office Washington 25, D.C. 1.4.4 Standard Engineering Specifications - SB-4-K, dated May, 1953, Sections 2 through o is herewith made a part of this specification, except as hereinafter specified. \ Specification No. 4239 Sheet 1 of 2 DUP 0838550 i- 1$?: #{!#im . dl 135 , y.- ---i: v FLOOR FINISHES STANDARD ENGINEERING 1 SPECIEI -^VINYL-ASBESTOS TILE-FLOOR '-ta.l^WVS ..; ssw itr'isjatM'. - V r;* MAY. 1958 REVISED --r*Y- .ySt&O , ,**** XA * 1. GENERAL 1.1 Standard Engineering Specificaitions and SC1J.A apply to and are , a Specification. 1.2 Vinyl-asbestos tile shall be'"define semirigid material manufactured filled with asbestos fibers. v-- '- - *. 1.3 Brands of tile shall Be approval. The nominal size of . by^.Q.inches and thickneas.shalt ..shall" be as called for'inprojeci ?as selected by du Pont. Border, 6 inches to 9 inches wide anda of all permanent walls and-? columns, pilasters and permanent' ' ,,2.7-^Rubbe base shall be.^/S^inch^th: _ ' 4 inches high, and shaped^sT"^1" the tile floor. Corners shalRbe factory. Base other than - 1 ` in'this' Specification. ~ !&$.- - - 3; INSTAll! V?' AX - .......... Y-3.lj-.The concrete subflddi profusions or depressio: jgrpase,.. oUn and..; ' cracl and.tro^uSair corn cted\ withfthe E^must be. .thorough ing begins^ . ......... _ ^Before starting installs^ 'ment presenting an enclosed' vertical mdsSlhe^heated^fori afc'leaai floor line. Adhesives shall be' as" a^ te'mperature of 70 degrees manuiacturer of the proposed tile, furnished from the same batch of'ra'w- mal assure uniformity of color. this'^temperatme during th 4 __ ___ r_____________ o 'Provide adequate ventilation ^dining^thj^^ogrjras'. of the work and throughout the; drying'periodi^ S'*' V- . At*-.*" r 2. MATERIALS 3.3 Tile work must not be started untifthe work of .-> *11 other trades, in the areasinvo!ved^iaiehtirel&j? 2.1 Tile shall conform to the requiirreemmeents!for' ,'completed, except for movable^pMtifiotis^and'equip-t Type I, Federal Specification L--T--751. ment which are required to aetvsn.tdp-'dfthe'tiler^ ^ 2.2 Primer shall be a thin liquid cutback asphalt tin-. 3.3.1 Priming the snbfloor- is necessary' only primer. where cutback adhesive is to be used.. Primer shall 2.3 Adhesive for tile shall be either emulsified:dr cutback asphalt cement for on-grade oc.abqvesgrade application. Only cutback cement shall bemused far installations on slabs below grade.* *>, 'r . V -Y ' be applied in as thin a coat an- is compatibleswith < complete coverage, using approximatelg^one^gallon per 300 square feet. Primer, mupf bp^t^W.ughIj|idry \ before adhesive is applied. >**< ixtii * 3.3.2 Adhesive shall be applied vntfc^sernrted 2.4 Adhesive for rubber base shall be manufactured _ , , . . spec.if.ic.a.lly..for use m app,l.ica.t.ion o.f ru,,bber tbase trowel a-nd in an even and uniform Iayer^Aprrp,hc.a. tio. n and be as recommended b_y. ,,thLe__m_a_n_urf_ac_t_u_re_r o_rf .tuhe_ base. rate of emulsified bituminous- cement shall be approximately 125 square feet per gallon. It shall be allowed to set until the color is jet black and 2.5 Leveling compound and crack filler shall be a mixture of rubber or neoprene latex and "Lumqite" cement ' mixed and applied in accordance with manufacturer's directions. until no bitumen adheres to the thumb when pressed into the asphalt, before tile laying begins. Cutback bituminous cement shall be applied at the rate of approximately 200 square feet per gallon and be allowed to dry for a minimum period of 30 minutes 2.6 Accessories. Protective edgings shall be so that the adhesive becomes dry to touch. extruded brass or aluminum unless otherwise in 3.3.3 When the adhesive is sufficiently dry, dicated or specified. the tile shall be laid in accordance with the layout Vendors and merchandise designations are given to describe materials and may not include ail acceptable products. Substitutions are to be made only on approval of the authority initiating the use of this Specification. SUBCOMMITTEE NO 1 . DUP 0838552 SB 4 K Pofl* 2 JLSffi'i aiirr-hiilfh','i VINYL-ASBESTOS TILE FLOORS MAY 1958 r' 136 and pattern selected by du Pont. The field shall 4.3 In lieu of the above method, one coat of water- be applied first, starting at the center of the area emulsion wax may be applied as soon as practicable and working toward the edges. The tiles shall be after completion of tile laying in a particular area. square with the room axis and be laid in full contact with the subfloor surface. The tile shall be scribed to the wall or other vertical surfaces, fit ting neatly into breaks or recesses, against or under base trim, and around pipes. Tile shall be punched out where the legs of radiators or other fixed weighty objects are positioned and specially made aluminum disks of the same thickness as the The quantity of wax applied shall be such that none will leak into joints and re-emulsify the cement and soil the edges of the tile. The final coat of wax shall then be applied immediately before du Pont acceptance of the building and after a thorough washing and cleaning. The floor shall be covered or protected as necessary to prevent damage to the surface until occupancy by dn Pont. tile shall be inserted into the holes. 4.4 Until final acceptance by du Pont, the floor 3.3.4 Robber base shall be installed where indicated on the drawings, strictly in accordance shall be covered or protected as necessary to prevent damage to the surface. with the manufacturer's directions, using the cement 5. FINAL INSPECTION AND ADJUSTMENTS intended for this purpose. Base shall be accurately scribed to trim and plinths, and bnilt-in fixtures. 5.1 After completion, and prior to final acceptance 4. SURFACE TREATMENT by du Pont, the temperature of the rooms floored with vinyl-asbestos tile shall be continnonsly 4.1 After completion of installation, the tile sur faces shall be cleaned of adhesive, dirt; and other foreign substances. Use of .solvents, other than maintained at a minimum of 70 degrees F for a period of approximately 30 days. The work shall then be inspected and necessary repairs and .adjustments' those recommended by the tile1 manufacturer, is be made. Loose or projecting tiles .shall be reseated. not permitted. Tiles with fractures or broken corners shall, be replaced and waxed. 4.2 A minimum time , lapse of % days shall.be allowed when weather and room conditions are dry V*Kh and 10 days; when humidity-, and dampness are 6. METHOD OF MEASUREMENT^ < r excessive j before washing and. waxing. In washing, . : . rt... ^... - $*-,*. y* only cleaners approved by the tile manufacturer shall 6.1 Pay quantities under, unit priues^sKalUbe on a ^be used. The surface shall be .thoroughly washed square-foot basis for tile:^a pla:cc-qCe,:j*r.~'*''<0,i*^Oli'nie' al r: foot for cove base in pIacel*sTh?>^` area: to be paid for 'shallybenJetei 'measurements "of 'finished {lehr 'additional 1 allowance 'will^leSnla[i section of tile notlaid.^ imo B V.v' :i . V. S'' c (iv - -.V: --'L r"- hi " : * rj. ' h/* ... ,, b i**-iS*-*tf '. >': -H.*' -JCk' jJ-a }' ~x- . * - >5 .-V o.............. .. - .. it.a>'i8*saiTim'> * . ,; , . '-& .?. * k ~.,3 && , * ini r -i.'i V .'.-J.lv - -f-rc. ; ix"fn ; - . SO&ti'JVr .''j, s'-, i-V- . SI :-i V:1 `.Tvyi i-hitjpcj-- DUP 0838553 ------ -Ai.-'.