REPAIR TO ROOF TREATMENT OF ELECTRIC SUB STATION FOR AGE-III AREA UNDER AGE(I)(U) B/R DELHI CANTT-10

Amount

Dismantling of brick tiles or terracing tiles single layer on roof at any position or any height, including cleaning serviceable tile and stacking properly for reuse, disposal of unserviceable tiles and debris away from site complete all as specified and directed.

Demolition of mud phuska in roof slabs, any thickness incl plastering and leeping (whether full thickness removed or only a part thereof) cleaning of roof surfaces complete all as specified and directed.

Removing excavated material/ mud phuska collected after demolition from the roof slabs as in Srl item No. 02 above exc 250m and n.exc. 500m and depositing where directed at a level n.exc.1.5 m above the starting point all as directed by Engr-in-Charge.

M&L 40mm thick PCC 1:2:4 type B-1 (using 20mm graded aggregate) finishing cement concrete surface even and smooth without using extra cement in roof padding of any position of any height complete all as specified.

M&L for applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.20 kg per sq.m including cleaning base surfaces complete all as per specified and directed.

M&L for APP based modified prefaricated five layer 3mm thickness and weighing not less than 3.6 Kg/sqm water proofing membrane reinforced with polyster non woven fabric mat with 150gm/Sqm black finished with compatible primer confirming to IS 3488@ 0.3 lit/sqm and laying membrane layed by torch application side overlap of 75mm and overlap of 100mm longitudinally complete all as specified and directed by Engr-in-Charge. Note:- (a) The rate of necessary scaffolding wherever reqd, gas & other arrangements shall be deemed to be included in the quoted rate of item. (b) Each step must be approved by Engr in Charge before proceeding to next step complete all as specified and directed).( c) Ponding test shall be carried out by contractor.

M&L for 40mm thick brick tiles are bedded in 15mm thick CM 1:6 jointed grouted and pointed flush in CM 1:3 mixed with 5% crude by weight of cement complete all as specified & directed.

- ditto - all as per item No. 07 above but except tiles (old serviceable dismantled tiles obtained from Srl item No. 01 shall be reused after necessary cleaning of mortar)

M&L for providing cement concrete 1:2:4 type B-1 (20mm graded stone aggregate) in roof ,kerb,mud slope rounder or chamfered on edges coping kerb water tough and like incl weathering ,slightly roundered or chamfered angles and throating directed incl necessary formwork complete all as specified and directed.

Taking down cast iron/ PVC pipe of any size of any description with fittings complete all as specifed and directed.

S&F of 110mm bore PVC (SWR) 2pipes single socketed pressure rating @4Kg/Sq cm length "medium grade " with rubber ring joint, fixed to walls with MS clamps complete all as specified and directed by Engr-in-charge.

S&F of 110mm bore PVC bends/junction any radius complete all as specified and directed.

Demolition of brick masonry work built in cement mortar or cement lime mortar complete all as specified and directed.

M&L for Brick work with sub class’B’ bricks having compressive strength of 100 kg/Sq cm straight or curved on plan to any radious in half brick thick walls built in cm 1:4 and pointed flush in same mortar complete all as specified & directed.

M&L for 15 mm thick plaster in CM 1:4 on brickwork or concrete surface of wall (External surfaces) finished even smooth complete all as specified and directed by Engr-in-charge.

M&L for Preparation of new plastered surface of walls & apply two coat of cement base paint complete all as specified and as directed.

RIZCON

M/S GR construction compony

BB Engineer and Contractor

Baljeet Builders & Interior Decorators

PG CONSTRUCTION AND COMPANY

GLOBAL DEVELOPERS COMPANY

S D Constructions