REPAIR / MAINTENANCE TO ROOF TREATMENT, RAIN WATER PIPES, EXTERNAL PLASTERING OF WALLS AND CHAJJAS TO ARREST SEEPAGES ETC IN SMQs AT AFS BAREILLY UNDER GE (AF) BAREILLY

Dismantling of brick tiles or terracing tiles, single layer on roof of any thickness including removing the debris from site to outside MoD land.

Demolition of mud in roofs, any thickness, including plastering and leeping (whether full thickness removed or only a part thereof) including removing the debris from site to outside MoD land.

M&L for providing cement concrete 1:2:4, type B-1 (using 20 mm graded stone aggrigate) as in padding over roof slab for levelling course all as specified.

M&L for 15 mm thick screed bed or bedding layer in cement mortar 1:4 mixed with liquid water proofing compound as per manufacturer instruction over padding when the concrete is green all as specified. (Note: WPC shall be measured and paid separately).

M&L for APP based polymeric water proofing membrane minimum weight 3 Kg per Sqm and 3 mm thick reinforced with polyster non woven fabric weight not less than 150 gms per sqm over hot blown bitumen grade 85/25 confirming to IS-702 @ 1.2 Kg / Sqm over a coat of bituminous primer @ 0.4 Kg / Sqm on horizontal / vertical surface for roof treatment. Polymeric water proofing membrane shall be applied by forced torch application method with 100 mm side lap and End lap on prepared surfaces as per manufacturer’s instruction complete all as specified.

M&L for factory made plain cement concrete tile, machine pressed of size 250 mm x 250 mm x 20 mm thick as per IS 1237-1980 with gray cement and pigment laid over 15 mm screed beding layer in cement mortar 1:4 and joints grouted flush in cement mortar (1:3) over membrane with polymenr based cement proof joint filler as per manufacturer's instruction complete all as specified.

M&L for applying smart care damp proof ultra fibre reinforced elastometric liquid applied water proofing membrane as in roof treatment @ 1 Litre per 10 Sqft inclusive of all three coats as per the following application process: - (a) Prepare the surface by cleaning with high pressure water jet / wire brushes to ensure that it is free of dust, oil, grease, grime and loose particles. (b) Damaged portion if any to be repaired before application of roof treatment as per manufacturer's instructions. (c) Applying self priming coat of smart care damp proof ultra duly dialuted with water in 3:1 ratio by volume. Allow the primed surface to dry for at least 3 to 4 hours prior to application of subsequent coat. (d) Applying two perpendicular coats of smart care damp proof ultra without any dialution to achieve a forced system coverage. Allow it to dry for at least 4 to 6 hours between two coats. Note for item No. 5 & 7 of BoQ: - (a) Work shall be executed by an authorised applicator of manufacturer of membrane and water ponding test shall be carried out by the contractor to check the leakage / seepage. The quoted rate shall deemed to be included in the item and nothing extra shall be paid on this account. (b) The contractor shll submit the 10 years guarantee and security deposit @ 2.5% of contract rates against the roof treatment work in the form of FDR.

M&L for cutting out creck in V- section in existing roof ,chajjas or similar work up to 40 mm deep and cleaning the same with water jets to get rid of any loose material and wetting, grouting with cement & sand morter 1:3 mixed with liquid water proofing compound as per manufacturer instruction all as directed. (Note :- WPC will be measured and paid separately).

M&L for cement concrete type B-1, 1:2:4 mix (using 20 mm graded stone aggregate) as in roof kerb, gola, coping and the like rounded or chamfered on edges complete all as specified.

Demolition of brick work built in cement mortar or cement lime mortar including all quions, arches, pillers etc including removing the debris from site to outside MoD land.