SPECIAL REPAIR TO ROOF

Amount

Demolition of cement concrete or lime concrete (un-reinforced) of any description and in any position not otherwise specifically provided for and removing the debris out side defence land from the site complete. Complete all as specified and directed by Engineer-in-charge.

Dismantling to brick tiles or terracing tiles single layers laid on roof including removing the debris including mortar out side defence land Complete all as specified and directed by Engineer-in-charge.

Demolition of mud phuska 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.

Demolition of brick work built in cement mortar including all quoins, arches, coping, pillars etc and removing the debris outside defence land from the site complete.

Taking down cement or cement lime plaster of any description on brick / stone or concrete surfaces etc including raking out joints, hacking for key , scrubbing down with water etc complete.

Taking up or down steel tubing and connections including cleaning for refixing/credit with all fittings for 15 mm bore GI tubing.

Taking up or down steel tubing and connections including cleaning for refixing/ credit with all fittings for 20 mm bore GI tubing.

Taking up or down steel tubing and connections including cleaning for refixing/credit with all fittings for 25 mm bore GI tubing.

Refixing of old steel tubing and connections in new or old position with all fittings to floor, wall or ceiling as directed, for 15mm bore GI tubing. Complete all as specified and directed by Engineer-in-charge.

Refixing of old steel tubing and connections in new or old position with all fittings to floor, wall or ceiling as directed, for 20mm bore GI tubing. Complete all as specified and directed by Engineer-in-charge.

Refixing of old steel tubing and connections in new or old position with all fittings to floor, wall or ceiling as directed, for 25mm bore GI tubing. Complete all as specified and directed by Engineer-in-charge.

M & L for 15mm bore `Medium grade` GI tubing with all fitting and fixed complete to walls and ceilings or laid in floors complete

All as per item 12 above but 20mm bore.

All as per item 12 above but 25mm bore.

Disconnecting existing tanks exc 250 but not exc 500 Liters, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately) Complete all as specified and directed by Engineer-in-charge.

Disconnecting existing tanks exc 500 but not exc 1000 Liters, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately) Complete all as specified and directed by Engineer-in-charge.

Dismantling of un serviceable water tanks any description exc 500 but not exc 1000 Liters complete all as specified and as directed by the Engineer-in-Charge

All as per item No17 above but 250 but not exc 500 Liters.

S&F for 1000 Liters capacity rotational moulded polyethylene water storage tanks, 3 layer heat resistant, white colour (ISI marked) (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I complete all as specified and as directed by the Engineer-in-Charge

All as per item No 19 above 500 Liters capacity.

S & F in repairs 20 mm bore ball valves high pressure of PTMT with epoxy coated aluminum rod & high-density plastic ball, screwed for iron pipe and fixed (minimum weight 210 gms) complete.

Dismantling/removing old damaged worn out APP of any thickness incl screed bed or plastering of any thickness and removing the rubish materials outside MOD land at a dumping place earmarked marked by any state govt/municipalities etc any distance complete. Complete all as specified and directed by Engineer-in-charge.

M&L for rendering 10 mm thick in cm 1:3 on fair face of brick work or concrete mixed with water proofing compound complete all as specified .

Material and labour, water proofing treatment of roof consisting as under:- (a) Applying a tack coat of industrial bitumen 85/25 at the rate of 1.20 kg per sqm over a coat of primer @ 0.30 litre/ sq.m including preparation of roof surfaces. (b) A layer of 3mm thick APP polymeric membrane of weight not less than 3.60 kg/sqm, reinforced with polyester non-woven fabric (weight not less than 160gm/sqm), duly sealed at over laps & joints with flame (by torch application) side overlap of 100 mm and end over lap of 100 mm wide, joint / overlap sealed with torch applications for parapets etc the membrane taken up to 30 Cm through aconcrete fillet of 75mmx75mm then inserted inside the parapet after making necessary groove and making good of damaged wall as required after necessary preparation of the surface complete as per manufacture’s instructions and 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 40mm thick average over roof slabs for providing proper slope including finishing surface even and fair all as specified.

M & L for brick work with subclass ‘B’ bricks / fly ash bricks (using old size bricks) having minimum compressive strength straight 75 kg per sqcm, straight or curved on plan exc 6m mean radius & built in cement mortar 1:6 complete all as specified and directed by Engineer-in-Charge.

M & L for 15 mm thick cement plaster in cement mortar 1:4 on fair faces of brick or concrete surfaces including finished even and smooth without using extra cement.

M&L for preparation of newly plastered or concrete surfaces of wall and applying two coats of cement base paint over a coat of lime wash Complete all as specified and directed by Engineer-in-charge.

S&F in repairs PVC (SWR) pipes single socketed in any length with rubber ring joint fixed to wall /trenches or floors of 110mm bore

S&F PVC (SWR) bend any radius of 110mm dia. Complete all as specified and directed by Engineer-in-charge.

Complete Removal of tree roots from roof top/wall upto 4 storey building upto depth 40mm incl make good hole with CM 1:3 and matching painting.

Supply only Liquid water proofing compound complete all as specified and as directed by Engineer-in-Charge.

M&L for cement concrete 1:2:4 type B-1(20mm graded aggregate), 40mm thick incl neru cement finishing cement concrete surface even and smooth without using extra cement. Complete all as specified and directed by Engineer-in-charge.

Mahesh Enterprises

Tsmalik