Tender For Repair And Maintenance Of Office Building In Sentharapatty Town Panchayat Salem District ; 1 Brick Work in Cement Mortar 1:5 Mix (one cement, five sand) using new best II Class Bricks of size ( 9” x 4 3/8” x 23/4 “ )from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications. 2 Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oakjoists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid) 3 M-20 CONCRETE - Providing and laying in position, standarised design mix M-20 Grade using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350Kg/m3 and maximum water cement ratio of 0.55, includingadmixture(plasticiser/superplasticiser)inrecommendedproportionsasperIS:9103toaccelerate,retardsettingof concrete, improve workability without impairing strength and durability with about (5.70 cu.m.)940.50Kg of 20mm machine crushed stone jelly and with about (2.80 cu.m.)462.00Kg of 10-12mm machine crushed jelly and with about (4.25 cu.m.)701.25Kg of sand, but excludingcostofreinforcementgrillandfabricatingcharges,centeringandshutteringandalsoincludinglaying,vibratingwith mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor/roof slabs wherever neccessary without clambing extra, etc. complete complying with standard specification and as directed by the departmental officers. the coarse and fine aggregates to be usedshould comply with the requierments ofIS 383-2016. (No separatepayment will be made by thedepartment for the exces usage of materials as per design mix.) (SI No 81) 4 Suppling and fabricating and placing in position MS(or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost ofsteel and binding wire also in all floors. 5 Plastering in Cement Mortar 1:5 Mix (one cement, five sand) 12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications as per TNDSS No.56 & 57 6 Damp proof course with Cement Mortar 1:4 (One Cement and Four plastering sand (P - Sand)) 12mm thick mixed with best approved quality water proofing compound conforming to Indian Standard specification as specified by the departmental officers at 2% by weight of cement used and finishing, curing etc. complete complying with standard specification. 7 Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification 8 Fabricating supplying and fixing of pre painted galvanium colour sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47 mm thick 24 guage having width 1050 mm. The sheet should be G.I.base pre painted hot dipped galvanized iron sheet and to be fixed with shelf tapping screws,plastic washer.The washer and screws to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of Z 120 GSM paint thickness the finish should be terra cotta finish like malabar mangalore tiles finish optional matt finish. The sheet to be fixed with making suitable corrugated,cutting the sheet in to the required ssize and making ornamental designs as per the site condition and as directed by the departmental officers. 9 Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of U clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm] 10 Supplying and fixing over the floors best quality of Scratch Ceramic Tiles of 30 c.m x 30c.m x 6mm sizeof approved colour laying with cement mortor 1:3 mix pointing the joints with colour pigments etc.Complete. 11 Painting two coats for Exterior surface with approved Exterior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification 12 Painting two coat over new iron works such as steel doors,window, ventilators, window bar, balustrades etc., with best approved first quality synthetic enamel paint of approved colout over the existing red oxide priming coat in all floors. The rate is inclusive of all materials, brushes and scaffolding charges etc., complete complying with standard specification(paint should be got approved by the Departmental Engineer befor use on work.
