REPAIRS TO WEAR AND TEAR OF ROOF TOPS DURING MONSOON AT INHS ASVINI UNDER AGE (I) ASVINI, COLABA, MUMBAI

Amount

Material & Labour for preparing old concrete surfaces by sweeping, cleaning and washing down with water to remove all dirt, dust etc and applying one coat of Dr fixit 148 Roofseal on concrete flat roofs to arrest seepage/leakage with coverage area of single coat is 0.75 ltrs/sqm/coat complete all as specified and directed by Engr-in-charge. Note :- The Contractor shall provide all material in sealed container to site before applying.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for and removing debris out side MD land. Note: The place of disposal shall be find out by the contractor.

Demolition of RCC water storage tanks in roof which is not in use including reinforcement cut as required to facilitate demolition and separating, scraping and cleaning of reinforcement and removing debris outside MD land. Note: The place of disposal shall be find out by the contractor.

Material & Labour for PCC 1:2:4 type B-0 using 12.5mm graded stone aggregate mixed with polymer Dr Fixit pidicrete URP 5% of weight of cement as a leveling course / padding on RCC roof top surfaces laid to slope or in roof kerbs, surface finished even and smooth without using extra cement to lay the APP membrane complete all as specified. Note - polymer will be measured and paid separately.

Supply only polymer Dr. Fixit pidicrete URP as approved

Material & Labour for wire brushing and cleaning top surface of tiles, lime terracing or cement concrete, including flashing and junctions of parapets, etc, and surface painting, with layer of blown grade bitumen of any penetration applied hot @1.70kg/sqm, blinded with grit or pea size gravel @ 0.006 cum per sqm, and lightly tampered (area of flashings, etc, shall be added to the roof area) and apply APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt not less than 150 gms/sqm) laid on primed surface by forced application complete all as specified

Supply & Fixing in repairs pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified.

Supply & Fixing in repairs pre-painted galvalume aluminum zinc coating GI based plain steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified.

Taking down cement plaster of any description on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc and removing debris outside MD land. Note: The place of disposal shall be find out by the contractor.

Material & Labour for rendering 15mm thick on fair faces of brick work or concrete surfaces in CM (1:4) and finished even and smooth without using extra cement complete all as specifed .

Material & Labour for preparation of new plastered surfaces of wall and applying two coats of Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturer's specifications and as specified.

Material & labour for roof tiles, Mangalore pattern, interlocking at side joints, laid dry including dismantling old single layer Mangalore pattern or similar tiles in roofing complete all as specified. Note :- Quoted rates shall be deemed to be included necessary scafolding upto 25 mtrs and saefty arragement for item No 1 to 15 of BOQ.

Supply & fixing in repairs ridge or hip tiles to suit manglore pattern of roofing tiles, bedded and jointed in CM 1:6 all as specified.

Material & labour for 2nd class hard wood (Sal) clean sawn battens at 20 cm centers, sectional area exc 5 Sqcm & n.exc 15 Sqcm including dismantling battens for tiles of any size and spacing complete all as specified.

Supply & Fixing in repairs Second class hard wood (Sal) boarding planed one side 20mm thick with edges tngue and grooved or rebated complete all as specified.

Material & Labour for laying APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt not less than 150 gms/sqm) land on primed surface by forced application above the boarding of roof to arrest leakage complete all as specified and directed by Engr-in-charge.

Material & Labour for Drilling and fixing Rohibb Teflon nozzles in RCC members, including drilling holes of 12mm dia, 50 to 100mm deep holes in structural members at the intervals of 75 cm center to center at 45 degree in staggered manner or as directed by Engr-incharge in RCC structural element. Work shall be carried out as under :- (i) Cleaning of holes. Clean the holes by air blower prior to fixing nozzles. (ii) Fixing of nozzles. Insert 12mm dia. Rohibb Teflon nozzles in cleaned holes. External end of nozzles to be machine to receive outlet of grouting gun.Fix it inside the holes by applying thixotropic epoxy putty to ensure complete sealing. Cure the system for min.12 hrs. (iii) Cutting of nozzles. Cut the nozzles by chisel after completion of grouting without damaging structural elements.

Material & Labour for Injecting of site cement slurry grout, in the ratio 1:2 (1- Cement, 2-water) including super plsticizer (Supercom-100) 250 ml/50 Kgs. Mixing shall be done by mechanical mixer continuously stirring mechanically to keep cement particles in suspension. Injection of approved/specified grout by means of pump at a pressure of 0.5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled. (for repair to slab)

Supply & Fixing plain Aluminium sheeting 0.71mm thick Alloy 31000 H4 in as in crumple joints all including necessary fixing arrangements such as screws, clamps at a height upto 30 mtrs and also including scaffolding and all safety arrangements including taking down the old sheeting complete all as specified and directed.

Supply and applying Smart care Hydro Loc Pre-putty water proofing coat of Asian paints on plastered surface as per manufacturers instructions with covering area 4.00sqm/ltr complete all as specified and directed by Engr-in-Charge.

Supply & Fixing 100mm bore cast iron rain water pipes with ears fixed with cement joints including taking down old pipes with fittings complete all as specified and directed by Engr-in-charge.

Supply & Fixing 150mm bore cast iron rain water pipes with ears fixed with cement joints including taking down old pipes with fittings complete all as specified and directed by Engr-in-charge.

Material & Labour for fixing cast iron fittings joints in cement mortar 1:3 including scrapping out old joint and complete all as specified and directed by Engr-in-charge. Note :- (i) The work will be carried out upto the height of 35 mtr from ground level

Supply & Fixing heat resistant terrace tiles (300mm x 300mm x 20mm) with SRI (solar refractive index)> 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20mm thick cement sand mortar in the ration of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete, including providing skirting upto 150mm height along the parapet walls in the same manner complete all as specified and directed by Engr-in-charge.

SHREE JAGDISH FURNITURE CO.

RUPESH CONSTRUCTION CO

Unitech Enterprises