REPAIR TO ROOF TREATMENT IN MD/OTM ACCN UNDER AGE BR-1 OF GE (AF) SUBROTO PARK

Demolition of any type of roof treament (i.e App membrance, brick tiles, mud phuska, cement concrete/ lime concrete etc ) from roof any thickness including leaping plaster including removing the demolished material from roof out side defence land complete all as specified and directed by Engineer-in-Charge.

M & L for cement concrete 1 : 2 : 4 type B-0 (using 12.5 mm graded stone aggregate) laid as in padding 35mm average thick over roof slabs for providing proper slope including finishing surface even and fair all as specified.

Material and labour, 15 mm thick cement plaster in CM (1:4) mixed with WPC as per manufacturer’s instructions @ 3% by weight of cement on concrete surfaces, finished even and smooth without using extra cement complete all as specified and directed. Note : WPC shall be measured and paid separately.

Cleaning and preparation of the surface to receive Fosroc Proofex ORG or its equivalent in approved make water proofing system shall be a sound base, any crack shall be treated with cementious repair mortar of Fosroc Renderoc CS or epoxy crack filling mortar by proper grooving arrangement all as directed.

M&L TPO membrane of nonflamable waterproofing of roof which shall be a 1.5mm thick loose laid TPO membrane layers overlapped to achieve a minimum weld of 110mm, Hot air welding can be either hand applied or by means of automatic machines and the rolls either end are overlapped with layers of non-woven geotextile fiber, the separation layer provided to prevent the mechanical abrasion and cushioning between the Fosroc Proofex ORG membrane or its equivalent in approved make and the concrete substructure, the termination of Fosroc Proofex ORG or its equivalent in approved make by aluminium strip Note: Work shall be executed by authorised applicator with prior experience of more than 5 years in applying similar system."

M&L for three layer prefabricated atactic polypropylene polymer (APP) modified 3 mm thick membrane ( weight not less 3 kg/sqm) reinforced with 160 gms polester non-woven fabric with scratched tool before finishing roof surface. When the concrete surface is still green, the roof surface shall be throughly wire brushed washed dried up and cleaned of all foreign matter and dust prior to the application of primer on the dried surface one coat of approved bituminous primer, having density in the range of 0.87 to 0.89 / kg at 25 dgree and viscositing of 70 to 160 CPS manufactured by the same manufacturer @ 0.40 litres/sqm shall be applied. APP membrane shall be laid on primed surface tourch application mehtod after allowing 24 hours of primer to dry. Laying of APP membrane shall be commneced at the lowest level and worked upto the crest.APP membrane will normally be laid in length at right angle to the direction of slope. The overlaps shall be of minimum 100 mm on longitudinal direction and 150mm on the transverse direction. All overlaps shall be bonded with bitumen primer and levelled by the heating the overlaps with brutane tourch. This treatment shall be done by the approved authorised applicator. Guarantee of treatment shal be for 10 years. Thereafter APP membrane shall be painting with two coat of water proofing paint with aluminium finish. (ii) Independent testing of membrane for the approval technical parameters specified hereinafter shall be carried out the approved laboratories like National test house any other Govt approved laboratory having facilities for the testing of membrane.

M&L for preparation of roof top surface and wall , providing and applying single component elastic cold applied polyurethane modified acrylic roofing system, co elastic technology (CET) based on modified polyurethane and fully fibre reinforced, having Sun reflectivity index (SRI) of 104 on top of concrete roof surfaces. All cracks up to 3mm at corner joints, channel and parapets should be treated with crack seal. Applying three coats including one coat of primer of Smart Care Damp proof Suprema having coverage @ min 0.75 It/sqm and dilution up to 30% of priming coat and laying reinforced fiber net and applying two coats (without dilution) of Smart Care damp proof Suprema @ total consumption 1.2 It/sqm for maintaining minimum dry film thickness 1.5mm and elongation at break of free film of approx. 350% The materials shall be applied with brush or roller, complete in all respect as per the direction of Engineer-in-Charge/ consultant (Note: 6 Hrs interval between two coat will be maintaned). Note:- Application of water proofing treatment will be done by authorised applicator only.

Supply only Liquid water proofing compound

Disconnecting existing tanks exc 250 and n.exc 500 ltrs and above, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed.

Disconnecting existing tanks exc 500 and n.exc 1000 ltrs and above, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed.

Dismantling 500 Ltr capacity water tanks and removing to store complete all as specified and directed.

S&F 500 Ltr capcity Rotational moulded polyethylene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed.

Dismantling 1000 Ltr capacity water tanks and removing to store complete all as specified and directed.

S&F 1000 Ltr capcity Rotational moulded polyethylene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position.

S&F 20mm dia bore Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars etc, but excluding ashlar facings, dressedstonework and precastconcrete articles

Demolition of cement concrete (un-reinforced) not exceeding 15 cm thickness (above or below ground level) complete all as specified and directed.

M&L Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius with old size bricks built in Cement Mortar (1:6) complete all as specified and directed.

M&L PCC 1:2:4 type B-0 (using 20 mm gardded stone aggregate) as in copings including necessary form work, complete all as specified and directed.

Taking up or down steel tubing 15mm bore and connections, including cleaning for refixing or removal to store complete all as specified and directed.

Taking up or down steel tubing 20mm bore and connections, including cleaning for refixing or removal to store complete all as specified and directed.

Taking up or down steel tubing 25mm bore and connections, including cleaning for refixing or removal to store complete all as specified and directed.

S&F 15 mm dia bore steel tubing medium grade galvanised with all fittings and connection complete all as specified and directed.

All as per item No. 23 mentioned here-in-above but fixing only.

S&F medium grade GI tubes with all fitting and fixed complete to wall and ceiling or laid in floor 20 mm bore complete all as specified and directed.

All as per item No. 25 mentioned here-in-above but fixing only.

S&F medium grade GI tubes with all fitting and fixed complete to wall and ceiling or laid in floor 25 mm bore complete all as specified and directed.

All as per item No. 27 mentioned here-in-above but fixing only.

Dismantling of CGI/PGI Sheet fixed with screws as in roof covering complete all as specified and directed.

M&L Pre-painted galvalume aluminium zink coating GI based corrugated steel sheet .50 mm lthick of an colour having tensile strength of 550 Mpa as in roof covering/ Clading to wall, fixed with self tapping screws as specified complete all as specified and directed.

Taking down cement plaster of any description on brick walls etc including racking out joints, hacking for key, scrubbing down with water complete all as specified and directed.

M&L Rendering 15 mm thick in cement plaster 1:4 using liquid water proofing compound as per manufacturer's instructions on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

M&L for 5 mm thick rendering with cement mortar CM 1:3, on concrete surfaces as on ceiling, soffit of stair case, chhajjas facia etc including cement slurry etc finished the surface even and smooth all as specified and directed.

Material & Labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.

Material and labour for complete removal of existing treatment (any layers of existing treatment) from walls/pillars/cornices by scraping down with using steel patti and mechanical sander machine (including provision of dust sucking) upto entire satisfaction of Engineer-in-charge, brooming and washing down with water including applying white cement based putty where required for filling to depressions to make the surface even and smooth by using sander machine (with provision of dust sucking) upto entire satisfaction of Engineer-in-charge, after preparing the surfacesapplying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance,dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and directed.

M&L complete removal of existing treatment on wall and applying two coats of oil bound distamper emulsion over 1 mm thick wall care putty over a coat of akali resistant primer complete all as specified and directed.

M&L complete removal of existing treatment of ceiling and applying two coats of oil bound distamper emulsion over 1 mm thick wall care putty over a coat of akali resistant primer complete complete all as specified and directed.

M&L for Complete Removal of tree roots from roof top/wall upto 4 story building upto depth 40mm incl make good hole with CM 1:3 and matching painting complete all as specified and directed.

S&F 110mm bore PVC (SWR) waste and vent pipes in any length with rubber ring joints fixed to wall including taking up/down old pipes complete all as specified and directed.

S&F 75mm bore PVC (SWR) waste and vent pipes in any length with rubber ring joints with laid in trenches, wall or in floors including taking up/down old pipes complete all as specified and directed. Make for PVC pipes and fittings: Finolex/prince/kisan

S&F PVC (SWR) bends 110mm dia, complete all as specified and directed.

S&F PVC (SWR) bends 75mm dia, complete all as specified and directed.

S&F PVC (SWR) bends 110mm dia with access door, complete all as specified and directed.

S&F PVC (SWR) bends 75mm dia with access door, complete all as specified and directed.

S&F PVC (SWR) junction single (single Tee) equal or unequal 110mm dia complete all as specified and directed.

Please Enable Macros to View BoQ information