CA NO CWE/AF AMB/HAL-52/2019-20 SPECIAL REPAIRS TO ROOF TREATMENT AND ASSOCIATED WORKS AT CERTAIN BUILDING OF 9 AFH AT AIR FORCE STATION HALWARA UNDER GE AIR FORCE HALWARA

Amount

Demolition of brick tiles or concrete tiles single layers on roof and rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and as directed.

Demolition of mud phuska on roofs, any thickness including mud plastering,whether full thickness removed or only a part thereof and rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and as directed.

Demolition of RCC/PVC/AC/CI rain water pipe from any position of any make and removing from site including rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and directed.

Taking down cement plaster on brick or stone walls, etc including racking out joints, hacking for key, scrubbing down with water including removal of debries to distance n.exc 500 mtr complete all as specified and directed.

Removal of surplus soil to a distance exc 1.50 KM but not exc 5.0 KM and depositing where directed at a level not exc 1.5 mtrs above the starting point complete all as specified and as directed.

Roughening surface of old concrete roof surfaces by picking sweeping clean and washing down with water to remove dust etc and brushing neat cement slurry @ 3.0 Kg/Sqm complete all as specified and as directed

Cutting out cracks to V-section in existing roofs or terracing, cleaning out and filling solidly with a hot mixture of bitumen and clean dry sand 1:1 (by weight) complete all as specified and as directed

Material and labour for PCC 1:2:4 type B-0 using 12.5mm graded mechanically crushed stone aggregates as in padding on roof not exceeding 50mm thick to maintain the required slope & finished the surfaces even and smooth without using extra cement complete all as specified and as directed.

Material and labour for PCC 1:2:4 type B-1 using 20mm graded mechanically crushed stone aggregate as in cills, steps, bands,copings, bed plates, kerbs, hold fasts blocks etc including weathering slightly rounded or chamfered angles of throating including necessary form work complete all as specified and as directed.

Material and labour for rendering 15 mm thick in CM 1:4 mixed with WPC @ 2 % by weight of cement over cleaned concrete surfaces of roof complete all as specified and directed. Note : WPC shall be measured and paid separately as supply only.

Material and labour for rendering 15 mm thick in CM 1:4 mixed with WPC @ 2 % by weight of cement finished even and smooth without using extra cement on fair faces brick or concrete surfaces of wall complete all as specified and directed. Note : WPC shall be measured and paid separately as supply only.

Supply only integral water proofing compound complete all as specified and as directed.

Supply and fixing PVC (SWR) pipe 110mm bore single socketed in any length with rubber ring joints, laid in trenches or in floors, fixed to wall with suitable size FI clamps of size 25mmx3mm, complete all as specified and as directed.

Supply and fixing PVC (SWR) bends any radius, for 110mm bore of pipe complete all as specified and as directed.

Material and labour for APP polymeric water proofing treatement to roof, at any height using membrane minimum 3 mm thick and weighting not less than 3.6 kg per sqm , black finish reinforced with non-woven polyster matt weighting not less than 150 gms per sqm with thermo fusible finish laid by force application after applying compatible bitumen primer at the rate of 0.40 Ltr per Sqm, torching over laps with a propane or butane gas torch with a over lap of 100 mm at the side on transverse direction and 150 mm at the ends on longitudinal direction and sealing including a tack coat of hot blown bitumen 85/25 @ 1.2 Kg per sqm below APP with and including applying two coats of aluminium paint over surfaces complete all as specified and as directed . Notes:- (i) The water proofing treatment shall be got carried out by the manufacturer or their authorised applicators duly approved by GE in writing. (ii) 5% amount of the total amount of water proofing treatment shall be retained as a guarantee (on account of any defect raised/noticed during a period of ten years) and shall be released after 10 years of completion of work. However contractor may deposit the FDR of same amount in favour of GE. If contractor fails to rectify the defect pointed out during this period , the defect shall be got rectified at contractor's 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's quoted rates for this item shall deemed to be inclusive of this aspect.

Deduction of Total of Sch of credit amount Rs 502400.00

CHOUDHARY ENTERPRISES

Deol Builders

MS SUSHIL KUMAR CONTRACOR

M/S SANGA SINGH AND CO

SHARDA ENTERPRIES

BEHL AND COMPANY