PROVN OF ROOF TREATMENT OF BLDG NO P 133 AND P135 OF XXXX AT MIL STN AGARTALA

Amount

Demolition of stone slabs & tiles of any description or thickness in floor, aprons etc laid bedded or pointed in any mortar complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for and removal of rubbish from the site complete all as specified and as directed.

Material and labour for 25mm thick PCC (1:2:4) type B0 (using 12.50mm graded stone aggregate) as floor finished even and rough to receive the top layer complete all as specified and as directed.

Material and labour for 15 mm thick screed bed or bedding layer in CM 1:4 mixed with liquid water proofing compound @ 200 ml per bag of cement on concrete roof surface, finished the surface fair and even to maintain the proper slope of roof surface complete all as specified and as directed. (Note: Liquid WPC shall be measured and paid separately)

Material and labour for PCC (1:2:4) type B0 (using 12.50mm graded stone aggregate) as in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

Supply only Liquid water proofing compound

Material and labour for 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 directed. Note: Cutting of grooves will be carried out by using mechanical means like Groove cutter/ wall chaser.

M & L for cleaning plastered surfaces to receive the water proofing membrane, applying one coat of hot paving bitumen of penetration value 85/25 conforming to IS 73 @ 1.20 kg/sqm over a coat of bitumenous primer @ 0.30 ltrs per sqm and applying a layers of APP based polymeric membrane, 3mm thick (minimum) weight 3.00 Kg/sqm reinforced with polyster non woven fabric (weighing not less than 150 gms/sqm) shall be applied over Bitumenious primer (Application of polymeric memberane shall be by torch application, over laps shall be minimum 100mm on the transverse direction & 75 mm on the longtudinal direction) polymeric membrane shall be taken to a height of 60 cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by membrane flashing, coved fillet in PCC (1:2:4) type B-0 of radius 75 mm shall be provided at the junction of roof & other vertical surfaces & surfaces shall be painted with hot paving bitumen of penetration value 85/25 conforming to IS 73 @ 1.20 kg/sqm & applying one coat of aluminium paint over the APP nmodified membrane @ 0.11 kg/sqm complete all as specified and as directed.

Supply and fixing 1000 ltrs capacity triple layer rotational moulded polythene water storage tanks (Cylindrical vertical with closed top) hoisted & fixed in position including dismantling of old unserviceable water tank complete all as specified directed.

Supply and fixing 2000 ltrs capacity triple layer rotational moulded polythene water storage tanks (Cylindrical vertical with closed top) hoisted & fixed in position including dismantling of old unserviceable water tank complete all as specified directed.

Supply and fixing 20 mm bore ball brass valve high pressure with polythene float & fly nut compelete screwed for iron pipe or brass ferrule complete all as specified directed.

Supply & fixing in repairs gun metal gate valve 20mm dia with iron wheel head screwed both ends for iron pipe complete all as specified and directed.

Supply and fixing of 20mm bore galvanised steel water tubing medium grade including all fittings, fixed to walls/ceiling or laid in floors including taking down old unserviceable steel tubing and connection complete all as specified and as direcetd.

Supply and fixing of 15mm bore galvanised steel water tubing medium grade including all fittings, fixed to walls/ceiling or laid in floors including taking down old unserviceable steel tubing and connection complete all as specified and as direcetd.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and as direcetd.

Supply and fixing of 110 mm dia PVC (SWR) pipes double socketed, in any length with rubber ring joints, fixed to walls complete all as specified and as directed.

Supply and fixing of 110 mm bore PVC (SWR) bends any radius provided with access door complete all as specified and as directed.

Supply and fixed 110mm dia PVC swan necks exc 15cm but n exc 30 cm projection complete all as specified and as directed.

Supply and fixing in repair of 0.63mm thick plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 complete all as specified and directed.

M/S New Saha Enterprise

SHRI SUBRATA GUHA

Pranjit kar

M/S SANKAR GOPE

SHRI RAJESH DEY

M/S PAUL ENTERPRISE

M/S PRITAM ENTERPRISES