GENP-06/2021-22 REPAIR TO ROOF TREATMENT TO CERTAIN BLDGS AT CAMP AREA UNDER GE (AF) PALAM DELHI CANTT-10

Amount

Taking down of existing tarfelt and cement plaster of any description and thickness on roof top including flashing and junction of parapet and cleaning existing roof top surface by brooming , wire brushing including removing the debrish from site to out of MoD land complete all as specified and directed by Engineer-in-Charge.

Demolition of mud on roof of any thickness including plastering and leaping (whether full thickness removed or only a part thereof) and removing the debrish from site to out of MoD land all as specified and as directed by Engineer-in-Charge.

Dismantling of brick tiles on terracing, single layer on roofs complete all as specified and directed by Engineer-in-Charge.

M & L for cement concrete type B-0, 1:2:4 ( using12.5mm graded stone aggregate) as in in roof padding complete all as specified and as directed by Engineer-in-Charge.

M&L for 15 mm thick screed bed on concrete surface in cement mortar 1:4 including finishing even and fair without extra cement by using water proofing compound as per manufacturers instruction. (Note :- Water proofing Compound shall be measured and paid seprately)

Supply only water proofing compound liquid all as manufacturers instruction. Make : Dr Fixit or equivalent.

Taking down rain water pipes (any size or pattern) including all fitting as heads, shoes, bends swan -necks etc complete.

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

S&F for 110 mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls including suitable clamps after every one meter of interval complete all as specified.

S&F for 110 mm dia PVC (SWR) bends complete all as specified and directed by Engineer- in- Charge.

Disconnecting existing water tanks of capicity exc 500 & n. exc 1000 ltrs, setting aside (or lowering if required) for repairs, cleaning etc and hoisting,re-connecting and refixing in position after cleaning and removing all scale and dirt etc from tanks and from mouths of circulating pipes etc complete all as specified and as directed by Engineer in-Charge . (Note :- The cost of replacing the damaged GI nipple of any size, long threaded barrel nipple etc shall be inclussive in the unit rate of the item. )

Demolition of brick work built in cement mortar or cement lime mortar in wall / parapet walls complete all as specified and directed as directed by Engr-in- Charge.

M&L for brick work with sub class 'B' brick, straight or curved on plain eexceeding 6m mean radius built in cement mortar 1:6 complete.

M& L for 15 mm thick rendering in cement mortar 1:4 on brick or concrete surfaces including finishing surface even and smooth without using extra cement.

Taking down 20 mm bore steel tubing and connections as in walls , ceiling, floors etc and cleaning for refixing complete all as specified .

Taking down 15mm bore steel tubing and connections as in walls , ceiling, floors etc and cleaning for refixing complete all as specified .

Re-fixing 20 mm steel tubing including all fitting and connections in new or old position (wall, ceiling, floors etc) complete all as specified.

Re-fixing 15 mm steel tubing including all fitting and connections in new or old position (wall, ceiling, floors etc) complete all as specified by Engineer-in-charge.

M&L for preparation of surface of roof / Chajja by removal of undulation with polymer mortar,cracks (other than hair cracks ) filing by cutting it into "V' groove and fill it with polymer mortar made out of Shali crete/ Liquidcrete, a single component multifunctional acrilic polymer having solid content 29% of STP make IWL India Ltd / soprema / Texsa cement and coarse sand in the ratio of 1:2:5 and finally having a cement mortor plaster of (1:4) premixed with STP No 1/Liquiplast of IWL India Ltd./Shaliplast LQ +of STP or equavalent of average thickness of 20mm and finished with coving at all junction wherever there is a change of direction complete all as specified and as directed by Engineer-in-charge.

M&L for application of Primer coat with mix of shali crete of STP / liqui crete of IWL India Ltd a single component multifunctional acrylic polymer equivalent as above and cement in 1:2 ratio and applying @ 1Kg sqm of the mix and allow into dry for 3 to 4 hrs complete all as specified and as directed by Engineer-in-charge.

M&L for providing & laying on non-accessible roof, chajja, parapet etc of first coat of shali urethene BTD/IWL India Ltd / liquithene BTD water based single component white coloured poly urethane liquid membrane having solid content over 80% service temperature from Minus 20 deg C to + 100 dg C, Zero VOC content and with excellent UV stability conforming to ASTM C 836 and 6083 of STP make / IWL India Ltd / TEXPUR of Texsa / Hyperdenso of Alchimica / New flex of WR grace using @ 1 kg / Sqm and laying. ShaliGeo Text 50 or ShaliGeo Text Nylon/ glass fiber net with an overlap of 50mm on both directiojns and ceiling over lap joint fully while the surface is tacky and allow to dry for 10 to 12 hrs , thereafter applying second coat of Shali urethene BTD / liquithene BTD @ 1 kg per sqm saturating the reinforcement and allow it to cure for over night , all deck slab parapet are to be coated and terminated at the outer surface of para pet . (Note:- (a)The rate of necessay scaffolding wherever reqd shall be deemed to be included in the quoted rate of item (b) Each step must be approved by Engr in chage and GE before proceeding to next step complete all as specifed and directed.)

M&L for separation layer with 200 GSM non woven GEO texttile with and overlap of 50mm on both direction and spot sealing it to avoid desplacment .Finaly a slip layer of 200 micro polythine sheet with an over lap of 100mm and spot stick the overlap before PC complete all as specified and directed

M&L for 20 mm dia medium grade GI tubing with all fitting and fixed to wall and ceiling or laid in floor complete.

M&L for 15 mm dia medium grade GI tubing with all fitting and fixed to wall and ceiling or laid in floor complete.

M&L for preparations of newly plastered surfaces on wall and applying two coat of cement base paint complete all as specified and as 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 rounded or chamfered on edges complete all as specified and directed by Engineer -in - charge.

Dismantling of water tanks of capacity 500 ltrs and n.exc 1000 ltrs.

Supply and fixing 500 ltrs capacity rotational moulded polyethylene water storage tanks three layers (cylindrical vertical with closed top) hoisted and fixed in position all as specified and SSR Part-I.

Supply and fixing 750 ltrs capacity rotational moulded polyethylene water storage tanks three layers (cylindrical vertical with closed top) hoisted and fixed in position all as specified and SSR Part-I.

Supply and fixing 1000 ltrs rotational moulded polyethylene water storage tanks three layers (cylindrical vertical with closed top) hoisted and fixed in position all as specified and SSR Part-I.

Jain Associates

M/S Satyam Associates

Kunal Construction Co.

JAIPAL AND BROTHERS

A.S. ENGINEERS AND CONTRACTORS

M/S BUDH RAM SHARMA

a.k constructions