SPL REPAIR OF BLDG NO P-4 MNS OFFICERS MESS AT AF STN GORAKHPUR.

Dismantling of brick tiles or terracing tiles single layer bedded in cement mortar on roof complete all as specified and directed.

Demolition of cement concrete in roof including plastering and leeping including cleaning surface of roof with wire brush / mechanical brush throughly to remove old dirt / loose particles to expose clean concrete slab clean with watering etc complete all as specified and directed.

M&L for PCC 1:2:4 type B-0 using 12.50mm graded stone agg with WPC as in padding to maintain proper slope as required al as specified (WPC shall be paid separatly.)

M&L for PCC 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) as in roof kerb / benching in radius 10 cm with waterproofing compound as per manufacturer's instructions complete all as specified and directed.

M&L for cutting out cracks to V section in existing roof or terracing, cleaning out, wetting, grouting with cement and sand slurry in 1:3 complete all as specified and directed.

M&L Rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces with liquid WPC @ 150 ml per 50 kg of cement or as per manufacturer instructions ( WPC will be measured and paid separately), finished even and smooth without using extra cement complete all as specified as directed.

"Supply and Application of 5 Layer SHR Waterproofing Coating System as per manufacturer application procedure on leaking concrete roof surface by thorough surface preparation with high pressure water jet min. 125 bars, opening the cracks, followed by one absorption coat of nano-tech enhanced elastomeric waterproofing (NEEWP) emulsion having UV resistance and min. 50% solids, filling and sealing the cracks, then over coating with 2 Coats of NEEWP + Cement mixture as waterproofing coat having +450% Elongation. The surface is then to be tested for water tightness with a ponding test for min. 2 days and then top-coated with 2 Coats of SHR Coating - pure acrylic based, UV resistant, non-yellowing, bio-organism resistant (anti-fungal, anti-bacterial) conforming to BIS STD IS 17218:2019 with Pull off Adhesion 2.8 Mpa, passes 2000 hrs accelerated durability test, suitable for all types of cementitious surfaces, white colour, matt, surface coverage 3.25 SQM/Ltr/2 Coats, DFT 100 - 120 microns using brush, roller, airless spray gun as applicable. The product should be certified by NABL Approved Lab and application is to be done by company approved applicator only. The guarantee for treatment shall be given by the contracyor in writing for a period of 5 year and security deposit @ 2.5 % of total cost of treatment shall be given for 5 year from the date of completion of work.

Supply only Liquid water proofing compound complete all as specified and directed.

S&F in repair Rotational moulded polyethylene water storage tanks 500 ltr in three layer (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises .