REPAIR ROOF LEAKAGE SEEPAGE AND OTHER CONNECTED B AND R ITEMS UNDER THE AOR OF AGE B AND R ONE OF GE NORTH DELHI CANTT 10

Amount

M&L Clearing all the dust, existing roof treatment and loose material by brush/blowe/ Grinder including removing of vegetation/ plantation from the surface. M&L for preparation of roof top surface, 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 (SR) of 109 on top of concrete roof surfaces. All cracks up to 3mm at corner joints, chaneel and parapets should be treated with crack seal. Applying three coats including one coat of primer of Shali Urethane BTD / Sikalastic 560 / smart care damp proof-ultra having coverage @ min 0.75kg/ m2 and dilution up to 10% and laying reinforced fiber net nd applying two coats (without dilution) of shaliurethane BTD/ Sikalastic 560 / smart care damp proof ultra @ total consumption 2 kg/ m2 in two coats for shaliurethane BTD/ Sikalastic 560 / smart care damp proof ultra @ total consumption 2 kg/ m2 in two coats for maintaining minimum dry film thickness 1.5mm and elongation at break of free film of approx 350% The materils 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 maintained). All auxiliary and accessories involved during application should be supplied by single manufacture as a part of system. Make STP/Sika/ Asian paint/ Hindcon Chemicals Ltd or equivalent as approved by GE, Note:- Application of water proofing treatment will be done by authorised applicator only. (i) The water proofing treatment shall be carried out by the manufacture or their authorized applicaiton duly approved by GE in writing. (li) 5% amount of the total amount of water proofing treatment shall be retained as a guarantee and shall be released after 10 years. However contractor may deposit the FDR of same amount in favour of GE. If Contractor fail to rectify the defect pointed out during this period in writing, the defect shall be got rectified at contractor risk and cost and the payment shall be made from the amount kept reserved or by encashing the FDR deposited by the contractor as guarantee. The contractor quoted rates for this item shall deemed to be inclusive of this aspect.

M&L for disconnecting existing PVC tanks, of capacity exc 250 Ltrs and n.exc 500 Ltrs and setting aside (or lowering if required) for roof treatment, etc, and hoisting if required reconnecting and re-fixing in position.

M&L for disconnecting existing PVC tanks, of capacity exc 500 Ltrs and n.exc 1000 Ltrs and setting aside (or lowering if required) for roof treatment, etc, and hoisting if required reconnecting and re-fixing in position.

S&F Steel water tubes, medium grade, ISI marked, galvanised, 15 mm bore with all fittings, fixed to walls and ceiling or laid in floors including taking up or down steel tubing and connections complete.

S&F Steel water tubes, medium grade, ISI marked, galvanised, 20 mm bore with all fittings, fixed to walls and ceiling or laid in floors including taking up or down steel tubing and connections complete.

Refixing only old 15 mm dia bore steel water tubing & connection in new or old position fixed to wall, ceiling or laid in floors including necessary cutting & making of new threads for fixing of new fittings such as elbows, tees, sockets, union, , reducer, etc as required including taking up or down steel tubing and connections complete. .

Refixing only old 20 mm dia bore steel water tubing & connection in new or old position fixed to wall, ceiling or laid in floors including necessary cutting & making of new threads for fixing of new fittings such as elbows, tees, sockets, union, , reducer, etc as required including taking up or down steel tubing and connections complete.

M&L for old size brick work with fly ash bricks straight or curved on plan exc 6m mean radius built in cement mortar 1:6 including demolition of brick work all as specified and directed.

M&L rendering 15mm thick on fair faces of brick surfaces or concrete surfaces and finished surfaces even & smooth without using extra cement in cM 1:4 finished even and smooth including taking down cement or cement lime plaster with mixing water proofing compound @ 2% by weight of cement any description on brick or stone walls etc including raking out joints, hacking for key scrubbing down with water etc, including cutting of trees, shurbs or any type of vegitation upto and including roots complete all as specified and as directed.by Engrin- Charge.

S & F in repair 20 mm Gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe and fixed complete.

S & F in repair ball valves, high pressure of PTMT with epoxy coated aluminium rod & high density plastic wall, screwed for iron pipe and fixed for 20 mm bore size (Minimum weight 210gms), complete.

S&F PVC(SWR) pipes, 75 mm external dia double socketed in any length with rubber joints, fixed to walls ( any height)/under floor(any depth) etc with MS clamps including dismantling of cast iron, AC / PVC pipes including all fittings and accessories of any dia and in any position complete all as specified.

S&F PVC (SWR) bends suitable for 75 mm external dia with or without access door complete all as specified

S&F PVC (SWR) junction single, (single /double T&Y) equal or unequal with or without access door suitable for PVC soil waste discharge pipe of 75 mm dia Complete all as specified and as directed.

S&F PVC(SWR) pipes, 110 mm external dia double socketed in any length with rubber joints, fixed to fixed to walls ( any height)/under floor(any depth) etc with MS clamps including dismantling of cast iron, AC / PVC pipes including all fittings and accessories of any dia and in any position complete all as specified.

S&F PVC (SWR) bends suitable for 110 mm external dia with or without access door complete all as specified

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

M&L 15mm thick ready mix plaster (Make Ultratech readiplast/ Birla Aerocon RMP/ ACC Suraksha RMP) on brick work on concrete surface of wall (internal surfaces) finished even and smooth all as specified and directed by GE.

M&L 5mm thick ready mix plaster (Make Ultratech readiplast/ Birla Aerocon RMP/ ACC Suraksha RMP) on ceilling surfaces finished even and smooth all as specified and directed by GE.

M&L 15mm thick ready mix plaster (Make Ultratech readiplast/ Birla Aerocon RMP/ ACC Suraksha RMP) on brick work on concrete surface of wall (external surfaces) finished even and smooth all as specified and directed by GE.

M&L for Preparation of new surfaces (Plastered or un-plastered) of wall and applying two coats of oil bound distemper over a coat of primer complete all as specified.

M&L for Preparing new plastered or unplastered surfaces of ceiling and applying three coats of white wash complete.

M&L for preparation of new plastered surfaces of wall and applying two coat of cement based paint over a coat of cement primer

M&L for preparation of new or old plastered surfaces of wall and applying two or more coat of 100% Premium acrylic emulsion paint having VOC less than 50gm/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 sm over and including priming coat of exterior primer applied @ 0.90 litre/10 Sqm over new surface.

M&L for 40mm thick Plain Cement concrete type B-1, 1:2:4 (20mm graded aggregate) as in floors and finishing cement concrete surface even and smooth with using extra cement.

Removing of existing water proofing membrane, damage plaster, vegitation/plants, PCC any thickness, Tar-felt, loose particles and all forgin materials over the roof and shifting the debris from site to out-side area as directed by authority on factory garbage area.

Taking down brick tiles, terracing tiles, single layer from roof laid, bedded and pointed in any mortar all as specified & directed.

Demolition of cement concrete mud phuska of any description and in any position not specifically provided for complete all as specified and as directed.

M&L PCC 1:2:4 type B-0 padding on roof as in leveling to making slope, surface finished even and smooth without using extra cement.

M&L for 15 mm thick screed bed in cement mortar 1:4 on concrete surface finished even and smooth using WPC liquid of approved make @ 0.200 ltr in 50 Kg of cement. Note: Cost of WPC is also included in Quoted rate.

APP modified roof treatment over existing accessible RCC roof slab / chajjah / canopy / parapet wall to be executed through approved applicator of the membrane manufacturer with following specification etc complete all as specified and directed :- (a) Cleaning existing surface properly. (b) Applying oil bound bitumen primer @ 0.30 liter/Sqm manufacture by the same agency as that of APP with a density 0.87-0.89 Kg per liter at 25 degree centigrade on prepared surface. (c) Laying not less than 3mm thick APP modified water proofing membrane weighing not less than 3.60 Kg/Sqm reinforced with non woven polyster fiber weight not less than 160gsm/Sqm using butane torch by torch application with 10cm side laps and 15cm end lap over a layer of hot bitumen 85/25 grade @ 1.2 Kg/Sqm overbituminous primer before Laying of membrane. (d) APP membrane shall be laid using butane torch by Torch application with minimum 10cm side overlap and 15cm end lap.

S & F for Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio 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 up to 3 cuts complete, including providing skirting up to 150 mm height along the parapet walls in the same manner.

M&L for applying 02 coats solar reflective bituminous aluminum paint @ 0.1 Kg/Sqm over APP membrane surface as prescribed by manufacture of membrane.

M&L for preparation of old decorated previously treated surfaces of wall including cornices etc. And applying one coats of cement base paint of approved shade complete all as specified and directed.

M&L for plain cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate as in string courses copings or as floors.

M&L for providing PMM (Polymer modified cementitious mortar) :- (i) Dry sub strata surface and free of debris & dust (ii) Applying Epoxy bond coat on the sound substrate using approved spray machine & ensuring that no pin holes are visible.(In case pin holes are still visible after a coat, a second coat shall be applied to ensure absence of pin holes). (iii) Immediately after application of epoxy bond coat as above apply PMM (Polymer modified cementitious mortar) of 25 mm thickness. Note : Application of PMM shall be preferably be in coats of appx 10mm thickness. PMM work shall be executed in fairly rapid successions so as entire work is completed with in 30 mins). PMM shall be pre packed ready to use. (iv) PMM surface to be moist cured for three days followed by air curing in temperature as recommended by manufacturer complete all as specified and directed.

Mild steel TMT bars 10 mm dia and over as reinforce to slab or beam before using PMM where directed, cut to length, bent to shape required, including cranking,hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia with making hole with drilling and fix with appocy complete.

S&F with complete installation of wind operator turbo air ventilator of size 600mm dia made of stain less steel sheet including dual ball bearing fixed over assembly made of polycarbonate transparant sheet of size 5.5 x 3.5 feet on roof of steel structure shed working height up to 15 meter all as specified and directed by Engr-in-Charge

M&L for cutting shrubs, wild growth, plants not exc 30 cm girth grown on permanent structures and removing same from roots and stopping the recurrence by injecting herbicide Glyphosphate 4+ solution (04 % concentrate) into plant root to eliminate further growth. Application shall be as per manufacturer instructions. The disturbed area shall be repaired with PCC 1:2:4 type B-0 using 12.5mm crushed stone aggregate and surface finished even and smooth in cement mortar 1:4 including applying two coats of matching finish of adjacent area. (Minimum plant in each block is 10 Numbers), complete all as specified and directed.

M&L for writing letters or figures, dash arrow circule etc (Block. Roman, Italic or Indian) n exc. 30 cm height on existing surface

M/S SURINDERAS CONSTRUCTION CO. (BID ID -3377371)

Adhunik Builders (BID ID -3385539)

M/S Yamin (BID ID -3385277)

V M CONSTRUCTION (BID ID -3385793)

Shivom Projects Private limited (BID ID -3386309)