ROOF REPAIR, WATER PROOFING TREATMENT, TOILET SUNKEN FLOOR, PLUMBING/SANITARY FITTING, JOINERY ETC OF BLDGS IN ZONE A AND REP/REPL OF ELECTRICAL WIRING INCL ALL CONNECTED ELECTRICAL FITTINGS AND FIXTURES AT 707 TSU MD ACCNS UNDER GE(I) GOS

List of works

Removal of damaged existng APP mambrane of roof including danmaged levelling concrete and roughening surfaces of concrete slab by picking, sweeping clean and washing down with water to remove dust etc and applying evenly cement slurry at the rate of 3kg / sqm over cleaned roof surfaces including removal of debris complete all as specified and as directed by Engr-in-charge.

Demolition of Cement Concrete (unreinforced) of any description & in any position not otherwise specifically provided for including removal of debris complete all as specified and as directed by Engr-in-charge.

Demolition of sunken slab floor of WC and Bath including WC trap etc and providing Water proofing treatment of sunken slab in following sequence complete :- (a) 15 mm thick rendering on vertical sides of RCC slab in cement mortar 1:3 mixed with water proofing chemical PIDIPROFF LW of Dr. Pidilite or equivalent approved as per manufacturer instructions. (b) Cleaning the concrete surface by brushing and watering and remove all surface imperfections .(c) Fixing 40 mm dia PVC Pipe 450 mm long at bottom of the sunken and Wraping of bathseal tape on the pipes inserted through walls to floor area and seal it. (Bath seal tape product of Dr. Pidilite or equivalent approved and grouting around the inserted pipes by porable Dr. Pidilite bathseal or equivalent approved grout as directed.(d) Make angle fillets by mixing cement sand and Dr. Fixit pidicrete URP or equivalent approved on all corners.(e) Brushing neat cement slurry 02 coats with high performance cementiteous polymer water proofing coating of Dr. Fixit bathseal or equivalent approved WPC for thickness of 01 mm in combination of WPC and cement( 1:1.5) by volume and upto etccomplete all as specified and directed.

Material and labour for PCC 1:2:4 type BO (using 12.50mm graded stone aggregate) for roof ,kerbs or mud stops,rounded or chamfered on eds etc including mixing of admixture fosroc SP 430 of M/S Fosroc chemical @ 250ml per 50kg of cement over existing roof and in padding concrete to maintain required slope complete all as specified and as directed by Engr-in-charge. Note:- WPC will be measured and paid separetly under respective item.

Supply only of admixture fosroc SP 430 ,Dr fixit Chemical all as specified and as directed by the Engineer-in-Charge.

Material and labour for screed bed layer 10 mm thick in CM 1:4 on concrete surfaces of roof, mixed with integral water proofing compound @ 3% by weight of cement, finished even and smooth without using extra cement complete all as specified and directed. Note:- WPC will be measured and paid separetly under respective item.

Supply liquid water proofing compound make Fos roc or equivalent make

M&L Water proofing treatment on "Non approachable / non accessible and approachable roof" surface (Horizontal & Vertical surfaces) in following sequence through manufacturer / authorized applicator of the manufacturer including taking down of existing roof treatment, properly cleaning & drying the concrete surfaces complete (i) Applying a coat of oxidised bitumen based solvent primer @ 0.3 Kg / Sqm (ii) Applying evenly a tack coat of industrial bitumen 85/25 grade @ 1.2 kg/ Sqm incl cleaning surfaces complete all as specified and directed. (iii) Laying evenly over the bitumen coated surface, polymeric water proofing membrane Hyperplas standard wt not less than 3kg /Sqm with 100 mm over laps shall be sealed by flame as per manufacturers instruction complete all as specified and directed. (iv) Applying two coats of bituminous aluminium paint including preparation complete all as specified and directed.

Supply and Application of 5 Layer Solar IR Heat Reflective Waterproofing Coating System on leaking concrete surface by thorough surface preparation to remove dust, dirt, molds etc using steel wire brush/power brush, high pressure water jet as applicable, opening the cracks, and then applying the entire surface with one absorption coat of nano modified, UV resistant non-styrene elastomeric clear coating having min. 50% solids (i.e. Thermacool WP51) then filling the cracks with waterproofing putty and then overcoating with a sandwich waterproofing Coat of Thermacool WP51 + Cement mixture having non-woven fibre mesh of min. 80 GSM followed by an additional elastomeric waterproofing coat (i.e. Thermacool WP51 + cement) having +450% Elongation, Tensile Strength min. 2.2 MPa and then top-coating with 2 Coats of pure acrylic based, UV resistant, non-yellowing, bio-organism resistant (anti-fungal, anti-bacterial) Solar IR Heat Reflective coating conforming to BIS STD IS 17218:2019 (i.e. Thermacool 0.3C) 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 coat, dft 100 - 120 microns using brush, roller, airless as applicable or equivalent make or guidelines of similar product mentioned below. The application to be done by manufacturer approved applicators only, all spd and directed by Engr-in-Charge.