REPAIR MAINTENANCE OF ROOF TREATMENT SUNKEN TREATMENT AND WATER STORAGE TANKS AT MADAMBAKKAM NP AREA AND 9 P AND S AT AFS TAMBARAM

Amount

Demolition of cement concrete (unreinforced) in roofs, floors (other than ground floors) beams,staircases,landing,chajjas and similar suspended works complete all as specified and directed by Engineer-in-Charge.

Dismantling of any type of roof treatment including roof tiles of any description and cement mortar over roof slab height up to (G+2) storey building and cleaning of surface with wire brushes removing of unsolvent materials, any cementious residue and depositing of the same as directed at a distance n.exc 500m complete all as specified and directed by Engineer-in-Charge.

M&L 15mm thick cement plaster in cement mortar 1:4 on concrete surface finished even and smooth with out using extra cement mixed with WPC liquid as per manufacturer's instruction @ 0.200 ltr in 50 Kg of cement etc complete all as specified and directed by Engineer-in-Charge. Note;- WPC shall be measured and paid seperately.

M&L for cleaning the surface and removing the dust particles by using mechanical or manual tools and attending the cracks , holes like as weak points as per manufacturer's instruction and then providing and Laying polymer concrete by adding crystalline internal membrane admixtures by the ratio of (1 bag cement = 500gms crystalline admixtures ) making hunch surface 100mm x 100mm of floor & wall joint area. The surface to be cleaned free from oil grease,wax,dust and other barrier materials.The entire area shall be applied with primer as a base layer and over the top placing Fiber mesh & applying it over entire floor & around wall 1feet area and then applying two coats of water based, UV resistant Elastomeric PU liquid membrane waterproofing coating with required time intervals by using brand ShaliUrethane-BTD.Dilute ShaliUrethane® BTD with water @ 1:1 ratio and use as primer @ 400 gm / m².Apply 1st coat of ShaliUrethane® BTD @ 1 kg (or 0.8 kg) / m² by brush / roller / airless spray while the primed surface is tacky. For faster and smoother application , apply with airless gun. Spread Non-woven Geo-textile fabric or Fiber Glass Tissue / scrimp of 45 GSM with SBR bonding applicationwith overlaps of 50 mm in both directions when the surface is still tacky; this is optional, to be assessed as per site requirements to achieve higher mechanical properties. Apply 2nd coat of ShaliUrethane® BTD @ 1 kg (or 0.8 kg) / m² by brush / roller / airless spray for final DFT of 1200 micron in two coats (for 1000 microns DFT apply 0.825 kg / m² / coat) as per manufacturer's instruction complete all as specified and directed by Engineer-in-Charge. Note : (i)The work shall be executed through authorised applicator of water proofing Manufacturer only and approval in this aspect shall be obtained from GE before execution of work duly submitted relevant details & documents.(ii) Contractor shall submit 10years guarantee certificate against efficiency and performance of the work carried out under subject item in Non Judicial Rs 100/- stamp paper duly notarised and a security deposit of 2.5% over the completion cost of the said item shall be submitted by contractor through FDR. (iii) Any minor details if any left out, required inaccordance to Manufacturer's instruction for the entire completion of the above work shall deemed to be included in the quoted rate.

Disconnecting of the existing PVC storage tanks of 500/1000 litre capacity for carrying out repairs to roof surface and reconnecting, refixing in its position complete all as specified and directed by Engineer-in-Charge.

Taking down Cement Plaster, up to height of Bldg (G+2) Level, any description on Brick Walls or on Concrete Surfaces including raking out Joints, hacking for Key, scrubbing down with Water, etc, and removing same from the Site(s),complete all as specified and directed by Engineer-in-Charge. NOTE : The quoted rates shall deemed to be inclusive of cost for scaffolding and safety gears for the labours deployed.

M&L for rendering up to height of Bldg (G+2) level on fair faces on wall surfaces 15 mm thick in cement mortar 1:4 mixed with water proofing compound at the rate of 200 ML per bag of cement, finished fair and even without using extra cement complete all as specified and directed by Engineer-in-Charge. NOTE : (i) The quoted rates shall deemed to be inclusive of cost for scaffolding and safety gears for the labours deployed.(ii) Water proofing compound shall be measured and paid separately under relevent item.

Supply only liquid water proofing compound.

M & L for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed by Engineer-in-Charge.

Dismantling cast iron pipes/PVC pipes of any dia and any description including all fittings complete all as specified and as directed by Engineer-in-Charge.

S & F PVC (SWR) Soil, Waste and Vent Pipe 75mm bore (dia), Single Socketed, in any length with Rubber Ring Joint fixed to Wall or Laid in Trenches etc complete all as specified and directed by Engineer-in-Charge.

All as per Item No.11 above here–in–before but 110mm bore (dia) complete all as specified and directed by Engineer-in-Charge.

S&F PVC (SWR) 75mm bore (dia), Bends, any radius with access door and Jointing with Solvent Cement complete all as specified and directed by Engineer-in-Charge.

All as per Item No.13 above here–in–before but 110mm bore (dia) complete all as specified and directed by Engineer-in-Charge.

S&F PVC (SWR) 75mm Bore (dia), Branch Piece, Single (Single Y) Equal or Unequal with access door and Jointing with Solvent Cement complete all as specified and directed by Engineer-in-Charge.

All as per Item No.15 above here–in–before but 110mm bore (dia) complete all as specified and directed by Engineer-in-Charge.

S&F PVC (SWR) 75mm Bore (dia), junction Single (Single T) Equal or Unequal with access door and Jointing with Solvent Cement, complete all as specified and directed by Engineer-in-Charge.

All as per Item No.17 above here–in–before but 110mm bore (dia) complete all as specified and directed by Engineer-in-Charge.

S & F in repair PVC (SWR) vent cowl, size of bore 75mm complete all as specified and directed by Engineer-in-Charge.

S & F in repair PVC (SWR) vent cowl, size of bore 110mm complete all as specified and directed by Engineer-in-Charge.

M&L for Plain Cement Concrete 1:5:10 type E2 Nominal mix using 40mm graded stone aggregate as in foundation filling and mass concrete (sunken floors etc.) including formwork complete all as specified and directed by Engineer-in-Charge.

M&L for Rendering 15mm thick on brick work or concrete surfaces in CM 1:4 with and including water proofing compound to sunken portion with proper slope towards outside and finishing cement concrete or brick work surface even and smooth using extra cement including application of 90 micron polythene film and applying bitumen coating @ 3.00 Kg/Sqm complete all as specified and directed by Engineer-in-Charge.

M&L glazed ceramic coloured tiles in vertical surface 450x350x7mm or 450x300x7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match incl rendering 10mm thick in CM (1:4) and finished rough, including dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles from site and rubbish off the premises complete all as specified and directed by Engineer-in-Charge.

M&L for Non skid ceramic tiles 7 to 8 mm thick area of each tile exc 0.06 sqm but n exc exceeding 0.11 sqm in floors etc., set and jointed in neat cement slurry and pointed in coloured cement over 15 mm thick screed bed in CM 1:6 incl dismantling of existing tiles of any description (but not backing) removing serviceable tiles from site and rubbish off the premises complete all as specified and directed by Engineer-in-Charge.

S&F in repairs Vitreous china squatting pan "Orissa " pattern including P or S trap of size 580X440 mm white with intergral foot rests, excluding flushing cistern including setting the trap and pan in cement / lime concrete all as directed & making good the disturbed floors complete all as specified and directed by Engineer-in-Charge.

S&F in repairs Vitreous china wash down water closet pan (Pedestal pattern) white including fixing bolts, seat cover, 'P' trap excluding flushing cistern, and fixed in position complete all as specified and directed by Engineer-in-Charge.

S & F in repairs PVC flushing cistern of 10 litres capacity, low or high level with valveless syphonic action and float value, pull knob including brackets, PVC connection, PVC flush pipe 32 mm dia etc., complete, fixed in repairs complete all as specified and directed by Engineer-in-Charge.

Taking up or down 15 mm dia steel tubing and connections,including cleaning for refixing or removal to store in wall, ceiling or floor etc complete all as specified and directed by Engineer-in-Charge.

All as item No 28 above but 20 mm dia of pipe complete all as specified and directed by Engineer-in-Charge.

Supplying and laying of 20 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engineer-in-Charge.

All as per item no 30 but bore dia 25 mm complete all as specified and directed by Engineer-in-Charge.

S&F Rotational moulded polyethlene water storage tanks of capacity 500 litre,ISI marked three layers (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete including suitable tank nipple and 20mm dia ball brass valve high pressure with polythene float and dismantling of existing RCC/ PVC tank of any capacity complete all as specified and directed by Engineer-in-Charge.

All as per item no.32 but capacity 750 liter complete all as specified and directed by Engineer-in-Charge.

S & F in repair Ball valves 20 mm dia fixed in repair, high pressure of PTMT, with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight -455gms) complete all as specified and directed by Engineer-in-Charge.

Delta Construtions (BID ID -3396816)

kcs builders (BID ID -3399880)

M/S CLIMATE CONTROLS (BID ID -3403113)

vrk constructions (BID ID -3402787)