8645 Repairs to Roof treatment, flooring, plastering, masonry work and misc works at DRDL Kalinga Under AGE I R n D NSTL, Visakhapatnam

Amount

M& L for mechanical cleaning of surface to make it free from any bituminous residue /dirt, oil and Greece etc including taking down of existing roof treatment of any desription all as specified and directed by GE/Engr-in-Charge. (a) M&L for cracks treatment by cutting open cracks and cleaning it from dirt/loose materials etc and filling with polyurethane based sealant with and including application of PU based primer all as directed by GE/Engr-in-Charge. (b) M&L for applying water based polyurethane modified dispersion (single component, cold applied, non toxic, VOC complaint) in 03 coats including 01 coat of primer of same materials after dilution of water at 50% or specific primer matching same materials as per manufacturer specification and as directed by GE/Engr-in-Charge. Properties of Polyurethane based chemical shall confirm to following Technical Parameters:-(i) Highly Elastic. (ii) UV Resistance. (iii) Adhesion to concrete. (iv) Tensile strength – not less than 2.0 N /Sq.mm for free film. (v) Elongation – not less than 300%. (vi) Solid content by weight- not less than 60%. (vii) Air/water permeability BSEN 12390 at 5 bar -72 hours should be NIL and minimum dry film thickness of water proofing membrane must be 1.0 mm. (viii) Accelerated weathering (ASTM453) : Pass 1000 hours. (ix) Reaction to fire – non inflammable.

M&L for 15mm thick cement plaster in CM 1:4 on bricks on concrete surfaces finishing the surfaces even and smooth without using extra cement including taking down existing plaster new surface all as specified.

Supply only lequid water proofing compound conforming to IS: 2645-1975.

Removing of vegetation / plantation on the wall/ roof/ any position of up to five storey building including necessary scaffolding upto 15 m height and roots superfacial area n.exc 2 sqm each and making good of surface by applying chemical treatment with GLYPHOSATE 41% including removing /refixing of CI/GI pipe lines complete all as specified and directed by Engineer-in-Charge. Note : Brick work, plaster and CI/GI pipe lines shall be measured and paid separately.

Dismantling False ceiling boards (fibre, pulp, insulation, etc.) and Wall panels, any thickness, including cover fillets

M&L 12mm thick Seamless calcium silicate ceiling made out of 1800 x 1200mm size board of siliceous and calcareous material reinforced with cellulose fibre fixed to the ceiling section with 25mm long self drilling and tapping screws having phillips head with under head cutter at 200mm centre to centre, including finishing the joint of face board with specially formulated jointing compound and 48mm wide fibre tape to provide seamless finish with GI frame work for seamless ceiling comprising of GI perimeter channel 0.55mm thick with two unequal flanges of 20 and 30mm and web of 27mm fixed to surrounding wall using nylon sleeves and screws at 450mm centre to centre/intermediate channel 0.9mm thick having equal flanges of 15mm each and web of 45mm suspended from soffit at approx 900mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exc 1.2m length) of 0.55mm thickness having kurled web of 50mm and flange of 26mm each with lips of 10.5mm fixed to the intermediate channel at 457mm centre to centre complete all as directed by Engr-in-charge

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing rubbish off the premises complete all as directed.

M&L for glazed ceramic digitally printed tiles of size 300x450mm, 7mm thick in vertical surfaces of wall, set and jointed in neat cement slurry and pointed in coloured cement to match laid over and including 10mm thick backing coat in CM 1:3 complete all as specified.

M&L Non skid coloured ceramic tiles 7 to 8mm thick area of each tile exc 0.06sqm but n exc 0.11sqm in floors etc set and jointed in neat cement slurry and pointed in white cement to match, over and including 15mm thick screed bed in CM (1:4) laid over and including 25mm thick PCC (1:2;4) type B-0 using 12.5mm graded crushed stone aggregate,complete all as specified and directed

Supply and fixing PVC lid for poly water storage tanks of capacity 500 litres including PVC hinges and PVC locking both complete all as specified.

Supply and fixing PVC lid for poly water storage tanks of capacity 1000 litres including PVC hinges and PVC locking both complete all as specified.

Cleaning and removing all scale and dirt etc from tanks and mouth of eructing pipe incl disconnecting existing tanks and refixing in position after cleaning for 500 litres capacity of tank complete all as specified.

Cleaning and removing all scale and dirt etc from tanks and mouth of eructing pipe incl disconnecting existing tanks and refixing in position after cleaning for 1000 litres capacity of tank complete all as specified.

Supply and fixing in repairs 20 mm bore float valve of high pressure PTMT with epoxy coated aluminuim rod and high density plastic ball screwed for iron pipe and fixed complete all as specified . Make:Prayag

Supply and fixing in repairs 15 mm bore float valve of high pressure PTMT with epoxy coated aluminuim rod and high density plastic ball screwed for iron pipe and fixed complete all as specified .

Labour only for opening of air locks in toilets /baths and kitchen water pipe line but excluding fittings complete all as specified.

Supply and fixing in repairs spindel of size 15mm in any position complete all as specified.

S&F rotational moulded polyethylene water storage tanks, double layered of capacity 500 ltrs (cylindrical vertical with closed top) hoisted and fixed in position complete including necessary GI tank nipples, taking down existing unserviceable tank all as specified and as directed by Engineer-in-charge.

S&F rotational moulded polyethylene water storage tanks, double layered of capacity 1000 ltrs (cylindrical vertical with closed top) hoisted and fixed in position complete including necessary GI tank nipples, taking down existing unserviceable tank all as specified and as directed by Engineer-in-charge.

S&F in repair 15mm bore tubes medium grade galvanized ISI marked with all fittings short pieces and fixed complete to walls, floor, ceiling etc all incl taking down existing G I tubing as specified.

All as per Srl item No 20 here-in-before, but fixing only

S&F in repair 20mm bore tubes medium grade galvanized ISI marked with all fittings short pieces and fixed complete to walls, floor, ceiling etc all incl taking down existing G I tubing as specified.

All as per Srl item No 22 here-in-before, but fixing only

S&F in repair vetreous China squatting pan Orissa pattern size 580 x 440mm white with integral foot rest ( excluding flushing cistern and flush pipe), including long Arm P-trap (CI) 100 mm dia of length up to 700 mm or as per site requirement , complete incl making good to floor all as specified.

S&F in repairs Vitreous China wash down water closet pan (pedestel pattern) white,including trap connection to drain (outgoing pipe) and to flushing pipe, antisyphonage pipe, PVC jet for Pedestal pattern pan including 450/600mm long PVC connection and plastic water closet seat of white in colour,back closed pattern with flat bottom,and cover and mild steel chromium plated or aluminised hinging device etc complete all as specified.

S&F in repair vitreous china wash hand basin white of bowl size 550 x 440mm including waste coupling and PVC waste pipe, 32mm dia, 15 mm dia bore pipe pillar tap cast copper alloy with capstan heads chromium plated fancy to be fixed in M S brackets complete all as specified.

S&F in repair Vitreous china Urinal, Half stall type, white (excluding flushing cistern, flush pipe and waste pipe) complete incl providing and fixing plugs, beddding urinal against wall in cement mortar 1:2, securing urinal to plug with and including 60mm long brass screw, pointing around urinal back in cement; fixing automatic flushing cistern with brackets, flush pipe, grating and union for discharge pipe.(exclusive of fixing supply pipe to flushing cistern, trap and waste pipe.

S&F in repair 10 ltr capacity PVC valveless syphonic action type flushing cistern low level white with inlet ball valve float ovel handle incl brackets and PVC flushing pipe of polyethylene of low or high density or PVC 32mm dia complete all as specified.

Repair to exisiting PVC flushing cistern by replacing float valve complete all as specified and directed by Engineer-in-Charge.

Repair to exisiting PVC flushing cistern by replacing syphon and washer complete all as specified and directed by Engineer-in-Charge.

Repair to exisiting PVC flushing cistern by replacing cistern handle complete all as specified and directed by Engineer-in-Charge.

S&F PVC connection 15mm bore size with two nuts and washers of length 450mm all as specified.

S&F PVC connection 15mm bore size with two nuts and washers of length 600mm all as specified.

S&F in repairs hand shower (health faucet) of cast copper alloy chromium plated with 8mm dia, 1m long flexible tube and wall hook complete all as specified.

S&F in repair bib taps cast copper alloy ISI marked with crutch or butter fly handle high pressure screwed down screwed for iron pipe of 15mm bore complete all as specified.

S&F in repairs bib taps suitable for 15mm bore pipe long body fancy type brass CP with, Capstan head screwed down screwed for iron pipe or brass ferrule complete fixed in repair and all as specified.,

S&F in replacement stop valve/angle valve chromium plated with long shank concealed type cast copper alloy ISI marked with crutch or butter fly handle high pressure screwed down complete all as specified.

Supply and fixing in repairs bib tap standard of PTMT any colour 15 mm bore minimum weight 90 gram ISI Marked.

S&F in repair 15 mm dia bore Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions & fixed all as specified .

S&F in repair 20 mm dia bore Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions & fixed all as specified .

Supply and fixing in repairs 32 mm dia bore PVC flexible pipe for wash hand basin/kitchen sink complete all as specified .

SDG CONSTRUCTIONS (BID ID -3488156)

B SRINIVAS (BID ID -3494340)