Special repairs to the existing roofing in Godown No.3 and 4 in TNCSC godown campus at Sriperumbudur in Kancheepuram District

Amount

CIVIL WORK

Dismantling brick work in cement mortar wall and clearing away and carefully stacking materials useful for reuse as directed by the departmental officers.

Removing Galvalumesheet and clearing away and carefully stacking materials useful for reuse as directed by the departmental officers.

Supplying and laying of High profile colour galvalume sheet (as per ISI Standard) with combination 55A1:43 4Zn:1:6SI of TCT bent type 0.47mm thick not less than 150 GSM and standard width of 1.06m with yield strength of 550 MPA made from high tensile/ CR sheets of approved quality for roofing with necessary fixing arrangements like 65m and long hexagonal head screws with EPDM rubber seal etc., complete, complying with standard specification and as directed by the departmental officer. (Test certificate for quality should be furnished on receipt of material at site)

Supply and fixing of 40x6mm G.I flat over the Galvalume sheet roofing which is placed on the top of purlin in the longitudinal direction to avoid the lifting of roofing due to wind, the rate inclusive of neccesary G.I screw, Rubber, Aluminium washer with necessary adhesive flashing tap fixed directly over the galvalume sheet, labour charges for fixing, conveyance loading, unloading and cutting, etc. complete.

Plain Cement Concrete 1:2:4(One cement, two sand and four aggregate) using 20mm gauge hard broken granite stone jelly including dewatering, side shuttering, strutting, wherever necessary including curing etc., complete complying with standard specification and as directed.

Providing FORM WORK for centering the soffits of all reinforcement concrete work including strutting to the required (3 metre) height with mild steel sheets of size 90cm x60cm 10gauge stiffened with welded mild steel angles of size 25mm x 25mm x 3mm laid with country wood joist of average of size 10cm x 6.50cm at about 90cm centers with casuarinas props of 13cm dia at 75cm centre to centre with all nails coir, wedges complete and removing the form work after necessary curing period as directed by the corporation officers. The rates should inclusive of cutting, bending, welding charges of M.S.sheets; M.S.angles etc complete complying with standard specification and as directed. For Plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall etc.,

BRICK WORK in cement mortor 1:5(one cement, five sand) using best quality Country bricks of size 8" 3/4"x4 ¼ x 2 ¾ “ for walls including cost of scaffolding curing, finishing etc., complete complying with standard specification and as directed by the departmental officers. Above 4.50M height from basement

PLASTERING with cement mortor 1:5 (one cement and five sand) 12mm thick including cost of scaffolding, finishing, curing etc., complete complying with standard specification and as directed.

Painting the walls with two coats of Exterior emulsion paint of first class approved quality and colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification and as directed.

Supplying and fixing of Rotary Ventilators over the roof with necessary bolt and nut arrangement to withstand the wind velocity as specified by the departmental officers.(Size 600mm x 600mm).

Supplying and fixing Tarfelt including cost of materials and labour charges, etc., complete complying with standard specification and as directed by the departmental officers.

R ravi (BID ID -1210098)