REPAIRS TO ROOF TREATMENT AND MISC REPAIRS AT CERTAIN BLDGS AT MIL STN JAMNAGAR

Amount

Taking down all existing roof treatment and demolition of cement concrete padding/levelling course incl wire brushing and cleaning loose dust etc. from surfaces of RCC roof incl flashing and junction of parapet complete all as directed and specified by Engr-in-charge

Roughening surfaces of old concrete surfaces by picking, sweeping clean and washing down with water to remove dust, etc. incl brushing neat cement slurry with 3.0 kg of cement per sq meter complete all as directed and specified by Engr-in-charge.

M&L 25mm thick PCC 1:2:4, type B0 (using 12.5mm size stone aggregate) as levelling course incl finished even and smooth using extra cement complete all as directed and specified by Engr-in-charge.

M&L 15mm thick screed bed in cement plaster 1:4 on padding layer for roof treatment with WPC complete all as directed and specified by Engr-in-charge.

Supply only Integral waterproofing compound complete all as directed and specified by Engr-in-charge.

M&L for water proofing treatment to non-accessible roof slabs by applying a coat of approved bituminous primer (conforming to IS-3384) @ 0.3 ltr per sqm on finished concrete surface of roof and laying 3mm thick APP PL/MT membrane (starting at lowest point in slope roof) over hot blown bitumen 85/25 grade or equivalent used for DPC purpose, by using a LPG torch to fuse plastic membrane on bottom face of membrane and applying uniform pressure with a roller/wet cloth to ensure to remove entrapped air, if any, with overlap joints of 100mm in longitudinal direction and 150mm in transverse direction complete incl finally applying two coats approved aluminum paint over membrane complete all as directed and specified by Engr-in-charge.

Taking down steel tubing and connection including cleaning for refixing or removal to store complete complete all as directed and specified by Engr-in-charge.

(a) 15mm dia

(b) 20mm dia

S&F tube medium grade galvanized with all fittings & fixed complete to walls & ceiling or laid in floors complete all as directed and specified by Engr-in-charge.

(a) 15mm dia

(b) 20mm dia

S&F in repairs 500ltr capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position complete all as directed and specified by Engr-in-charge.

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

M&L 15mm thick rendering on external concrete wall surfaces in cement plaster 1:4 with WPC incl finished even and smooth w/o using extra cement complete all as directed and specified by Engr-in-charge.

M&L preparation of newly plaster surfaces of walls over 10cm width and applying two coats of weather coat exterior paint over a coat of priming paints plaster coat including necessary surface preparation complete all as directed and specified by Engr-in-charge.

Preparation of new/Old plastered surfaces of wall incl sweeping clean with brush to remove existing finish loose dust, sand, etc. and applying two coats of heavy duty waterproofing coat (Dr Fixit new coat or equivalent) by mixing water @ 25-30% to make slurry coating and allow 4 to 6 hrs time for drying up of first coat before application of second coat in perpendicular direction of first coat and further left to dry for 4 hrs complete all as specified and directed as per manufacturer instructions.

Preparing of spalled RCC surfaces due to seepage (n exc 50mm deep) by exposing fully corroded steel in the repair area and remove all scales and corrosion deposits mechanically or ideally by grit blasting, clean the surfaces and remove loose concrete, any dust, oil paint, grease etc. and pre-wet the surface with water and allow to dry slightly, apply approved zinc primer over the cleaned re-bars & allow to dry before repair and the substrate should be primed by applying one neat/clear coat of approved Epoxy bonding agent, finally apply Polymer Mortar of approved Make prepared as per manufacturer instructions (laid in 10 to 15mm thickness with bonding agent accompanied after each 15mm layer) to the prepared substrate by hand when primer becomes tacky ensuring that the material reached evenly behind bars incl curing the surfaces complete all as directed and specified by Engr-in-charge.

MADHAV ENTERPRISE

SHAM AND CO

ruturajconstruction