PROVN OF ROOF TREATMENT INCLUDING CONNECTED ITEMS IN CERTAIN BLDGS (P-55, P-56, P-58 TO P-62, P-69, P-70 AND P-81) OF YOGENDER VIHAR UNDER AGE B/R-I OF GE (SOUTH ) DELHI CANTT-10

Amount

Dismantling of brick tiles (laid flat or on edge) on roof surface laid bedded and pointed in any mortar

Demolition of mud in roof, any thickness, including plastering and leeping incl necessary scaffolding arrangement complete all as specified and directed(whether full thickness removed or only a part there of) and removing from cantonment area or complete all as specified and directed by Engr-in-Charge.

M&L for brushing neat cement slurry with 3.00 Kg of cement per Sqm on existing surfaces complete all as specified and directed by Engr-in-Charge.

M&L 40 mm thick (average thickness) plain cement concrete 1:2:4 type B-0 using (12.5 mm graded aggregate), as in roof ,padding to maintain the uniform slope complete all as specified and directed by Engr-in-Charge.

M&L for rendering 15 mm thick (average) plaster on concrete surfaces in CM (1:4) on roof, mixed with water proofing compound and finishing the surface even and smooth without using extra cement complete all as specified and directed by Engr-in-Charge. Note : - WPC shall be measured & paid separately.

M&L, Priming roof surfaces and applying water proofing treatment over roofs comprising of the following complete all as specified & as directed:-

(a) Applying oil bound bituminous primer at the rate of 0.30 Ltrs/Sqm as per IS 3384-1986 on prepared surfaces. Surface shall be kept free till the moment, the primer is impregnated and the solvent oil in primer is evaporated.

(b) Applying one coat of hot straight run bitumen @ 1.20 Kg/Sqm of grade 30/40 confirming to IS-73 (Grade S-35).

(c) Laying 3mm thick APP polymeric water proofing membrane of weight not less than 3.6 kg/sqm, black finish reinforced with non woven polyster matt, (weight not less than 160 gm/Sqm) with a thermo fusible finish, torching overlaps with a propane or a butane gas torch, with a overlap of 75mm at sides and 100mm at the ends and sealing including applying a coat of cold emulsion bituminous primer all as per manufacturer's instruction including preparation of surface.

(d) Applying two coats of aluminium paint over APP membrane complete all as directed. Make of APP: "Moply FP" manufactured by STP Texsa Ltd or Hyper Plas (Polyester) manufactured by M/S IWL Ltd or "Shaliplas"ter) manufactured by M/S Capital Steels and Chemical Pvt Ltd or Makpolyplast manufactured by M/S M K Patro as approved by GE.

Note :- The water proofing treatment shall be got carried out by the manufacturer or their authorised applicators. The contractor shall give 10 years guarantee for effectiveness of water proofing treatment, 2.5% of work done amount of this item shall be retained from contractors payment for a period of 10 years reckoned from date of physical completion of this work, or in lieu contractor may deposit bank FDR for the said amount for 10 years which shall be released by GE on expiry of satisfactory completion of 10 years period.

Demolition of cement concrete (unreinforced) in any description and in any position not otherwise specially provided for complete all as specified and directed by Engr-in-Charge.

M&L for Providing cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered and hold fast on edge including necessary form work complete all as specified and directed by Engr-in-Charge.

Supply only water proofing compound.(ISI Marked.Siko or equivalent)

Taking up or down steel tubing 20 mm bore and connection including cleaning for refixing complete all as specified and directed by Engr-in-Charge.

S&F 20 mm bore GI tubes, medium grade galvanised, with all fittings and fixed complete to walls and ceilings or laid in floors or concealed, complete all as specified and directed by Engr-in-Charge.

Refixing of old steel tubing and connection in new or old position (Wall/Ceiling etc) incl cleaning for refixing, bore of pipe 20 mm dia complete all as specified and directed by Engr-in-Charge.

Dismantling water tanks of capacity exceeding 250 litres but not exceeding 500 litres complete all as specified and directed by Engr-in-Charge.

Disconnecting existing tank of capacity exc 250 Ltr but n.exc 500 Ltr setting aside (or lowering if required) for repair cleaniing etc and hoisting recoonecting and refixing in position complete all as specified and directed by Engr-in-Charge.

S&F 500 ltr capacity triple layer, rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part II.

S&F in repairs Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe 15 mm bore complete all as specified and directed by Engr-in-Charge.

S&F in repairs Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe 20 mm bore complete all as specified and directed by Engr-in-Charge.

S&F Ball brass valves, high pressure, with of PTMT with epoxy coated aluminium rod & high desity plastic ball ascrewed for iron pipe of 20mm bore and fixed complete all as specified and directed by Engr-in-Charge.

Taking down rain water pipe (any size) or pattern incl all fittings, head shoes, bends swan necks etc incl cleaning or re-fixing or removal to store(measured overall as fixed along the centre line over fittings and accessories complete all as specified and directed by Engr-in-Charge.

S&F for PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls, of 110 mm dia complete all as specified and directed by Engr-in-Charge.

S&F for PVC (SWR) bends any radius 110mm dia bore.

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

M&L for 15 mm thick rendering with Readymix plaster (as per manufacturer's instructions) on fair faces of brick work or concrete surfaces finished even and smooth surface without using extra cement on wall and ceiling of up to four storied bldg complete all as specified and directed by Engr-in-Charge. Notes :- 1. Make of readymix plaster shall be Birla Aerocon/Ultratech Readiplast/ACC Accoplast/Fosroc Chemical (India) Pvt Ltd Renderoc and as approved by GE. 2. The readymix plaster shall be procured directly from the manufacturer or from their authorised dealer. 3 The contractor shall produce original purchase voucher alongwith test certificate of readymix plaster while claiming RAR/ Final Bill. 4. The Engr-in-Charge shall verify the genuineness of these purchase vouchers before endorcing.

M&L for preparation of new plastered wall surfaces and applying two coats of cement base paint, white or tinted (colour and shade as per new colour scheme approved by GE) over a coat of primer of same make including scaffolding for four storey building complete all as specified and directed by Engr-in-Charge.

Demolition of reinforcement Concrete of any description and in any position not otherwise specifically provided for

M&L for Reinforced cement concrete type B-1 (1:2:4) using 20 mm graded aggregates in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in the shelves and the like (necessary form work is included with the item rate upto four sotrey bldgs) complete all as specified and directed by Engr-in-Charge.

M&L for TMT Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed by Engr-in-Charge.

M&L for preparation of plastered or unplastered old decorated surfaces of walls by brooming down or steel wire brushing scraping down smoke soot moulds moss and efflorescent salts and treating oily & greasy spots and filling of holes and cracks with suitable material like cement or wall care putty and there after applying two coats of Cement base paint on walls complete all as specified and directed by Engr-in-Charge.

M&L for preparation of plastered or unplastered old decorated surfaces of walls by brooming down or steel wire brushing scraping down smoke soot moulds moss and efflorescent salts and treating oily & greasy spots and filling of holes and cracks with suitable material like cement or wall care putty and there after applying one coat of white wash on walls, coloumns and stair case area upto G+3 stories including scaffolding arrangements complete all as specified and directed by Engr-in-Charge.

M&L for preparation of plastered or unplastered old decorated surfaces of ceiling by brooming down or steel wire brushing scraping down smoke soot moulds moss and efflorescent salts and treating oily & greasy spots and filling of holes and cracks with suitable material like cement or wall care putty and there after applying one coat of white wash on ceiling complete all as specified and directed by Engr-in-Charge.

M&L for preparation of old painted Steel surfaces over 10cm width or girth and applying one coat of synthetic enamel paint of approved shade/tint complete all as specified and directed by Engr-in-Charge.

Notes for Ser item Nos. 01 to 31 1. The rates may be quoted by the tenderer in consideration of two stories bldgs which are inaccessible. 2. All the safety precautions will be given to the labourers and supervising staff and they have to adhere to it while working on site. 3. The work will be progressed in occupied/functional bldgs. The contractor will be allowed to demolish the roof only after procurement/arrival of entire qty of APP Membrane and other connected materials (roof treatment) at site. 4. All the debris/demolished materials will be removed from cantonment area by the contractor.

Notes:- The contract sum shall be after deducting the amount of Credit shown in Credit Schedule of this Tender.

Chaudhary Constructions

verma enterprises

M/S.M.S.Devi.Const.Co

A N BUILDERS

P R Constructions

SHIV INFRA

HANUMAN BUILDERS