SPECIAL REPAIRS TO ROOF TREATMENT INCLUDING CONNECTED ITEM OF BLDG NOS P-05, P-06, P-07, P-17, P-19 AT RODRIGUES ENCLAVE AT CHH SAMBHAJINAGAR CANTT UNDER GE (SOUTH) AHILYANAGAR

Taking down cement or cement lime plaster of any description on brick, block or stone walls etc (at any height) including racking out joints, hacking for key scrubbing down with water etc complete & removing debris outside MD land as directed.

M&L for 15mm thick plaster in CM 1:4 (using water proofing liquid as per manufacturers instructions) on other than fair faces of brick work masonary surface or concrete surface finished even and fair without using extra cement complete all as specified and directed. Note: Cost of water proofing compound is deemed to be included in the rate quoted.

M&L for rendering 5mm thick in cement mortar (1:3) on concrete surfaces as in ceiling finished the surface even and smooth without using extra cement complete all as specified and directed. Note : Quoted rates should include plastering for drip course in chajja portion also.

Removing the loose spalled concrete portions from Ceiling,wall ,beams,Chajja surface cleaning thoroughly by making it free of dirt, rust etc. and applying rust removing solution to exposed corroded reinforcement, applying a coat of DR. FIXIT Epoxy Zinc Primer or equivalent to the reinforcement bars, and fixing of wire mesh having 0.90 mm dia and 12 mm aperture with nails, applying 1 coat of bonding agent (DR. FIXIT Pidicrete MPB or equivalent) mixed with cement (ratio 1:1) and finally rendering the surface avg 25 mm thick with DR. FIXIT Polymer Mortar PX or equivalent complete all as specified and as directed. Note: 1. Location shall be verified and approved by the Engineer-in-charge before carrying out the treatment. 2. Make of Chemical shall be approved by the GE before start of application.

M&L for PCC solid block masonry 1:3:6 type C1, exc 10 cm thickness/width built in CM 1:6 etc including demolition of old brick/block masonary work complete all as specified and directed.

M&L for newly plastered wall surfaces, preparation of surface and applying applying two coats of 100% premium exterior acrylic emulsion paint (weather coat) alkali & fungal resistance, dirt resistance of required shade over and including priming coat of exterior primer complete all as specified and as directed.

M&L in repairs, for water proofing treatment to RCC roof slab, including parapet, comprising with the following treatment/specification from bottom to top:- (i) Taking down existing roof treatment of any type and any thickness including mud in roofs, plastering, leeping plaster of any thickness cutting & uprooting trees /roots / vegetation growth, roughening the old concrete slab by picking, sweeping clean and washing down with water to remove dust etc and removing the debris outside MoD land. (ii) Screed bed or bedding layer of 10 mm thick cement mortar 1:4 with mixing of WPC @ 3% by weight of cement or as per manufacturers instructions and surface finished even and smooth without using extra cement after applying a coat of cement slurry @ 3kg/sqm.

(iii) Cleaning of plastered roof surface and applying one coat of cold bituminous primer @ 0.30 ltr /Sqm conforming to IS:3384-1986. (iv) APP based polymeric membrane 3mm thick (minimum), weighing 3.5 Kg/sqm reinforced with polyester non woven fabric (weighing not less than 150 gms/Sqm) shall be applied over bituminous primer as specified above by torch application. The overlaps shall be minimum 100mm on the transverse direction and 75mm on longitudinal direction. (v) Applying two coats of bituminous aluminium paint over the APP modified membrane @ 0.11Kg/sqm. Note : The cost of liquid WPC shall deemed to be included in the rate quoted.

M&L for Cutting out cracks to V-section in existing roofs or terracing, cleaing 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.

S&F in repairs, rotational moulded polyethylene water storage tanks colour white (cylindrical vertical with closed top), 500 litres capacity, tripple layered, hoisted and fixed in position including 20 mm dia ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed to iron pipe and connecting all as specified and as directed.