REPAIRS TO ROOF TREATMENT SUNKEN FLOOR AND WATER TANKS ETC IN MADAMBAKKAM NARENDRA PLACE AND 9 P AND S UNIT AT AF STATION TAMBARAM

Amount

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

M&L for 40 mm thick plain cement concrete 1:2:4, type B-0 ( 12.5 mm Graded aggregate) for thorting and levelling course complete all as specified and directed.

M&F for rendering 10 mm thick in cement mortar 1:3 mixed with water proofing compound mixed with water proofing compound at the rate of 200 ML per bag of cement on roof surfaces, finished fair and even. Complete all as specified and directed. NOTE - Water proofing compound shall be measured and paid separately under relevent item

Disconnecting of existing PVC tanks for repairs to roof and reconnect, refixing in position for 500/1000 ltrs capacity tanks complete all as specified and directed.

M&L for complete removal of existing WPT (i.e) bituminous felt broken tiles mud phaska etc or any other kind of treatment surface over roof slab and cleaning of surface with wire brushes removing of unsolvent materials and depositing of the same as directed at a distance n.exc 50m applying water proofing treatment on horizondal or vertical surfacec by applying oil bound bitumen primer @ 0.20 Kg/Sqm and providing 4mm thick APP modified water proofing membrane weighing not lesss than 4 Kg/Sqm reinforced with non woven polyster matt weighing not less than 160 gms/Sqm having softening point not less than 150 centigrade,having tensile strength of 650 N/5Cm in longitudinal and transverse direction respectively of the reinforcement tearing strength of 180 N by torch application including minimium 10cm side over laps and 15 cm end lap torch sealed and bounded and applying a coated of blown bitumen 90/15 overand below the membrane @ 1.20kg/sqm in drying over thethe membrane finished with solar reflective bituminous aluminium paint after cleaing the surfaces by removing dust,dirt etc,as per manufacturers instructions and all as directed.

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 as directed. NOTE : Rates for scafolding are included in the item.

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 / bag of cement, finished fair and even without using extra cement complete all as specified. NOTE : Rate for scaffolding is deemed to be included in the item. Water proofing compound shall be measured and paid separately under relevent item

Supply only liquid water proofing compound. Make : DrFixit/SIKA/Forsoc

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.and providing and applying plaster of paris putty of 1 mm thickness over plastered surface to prepare the surface even and smooth complete all as specified and as directed. Make: Asian/Berger/Narolac

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., including Taking down/up unserviceable Pipe, complete all as specified and as directed.

All as per Item above here–in–before but 110mm bore (dia).

PVC (SWR) 75mm bore (dia), Bends, any radius with access door and Jointing with Solvent Cement and fixed-in-repairs, complete all as specified and as directed.

All as per Item above here–in–before but 110mm bore (dia).

PVC (SWR) 75mm Bore (dia), Branch Piece, Single (Single Y) Equal or Unequal with access door and Jointing with Solvent Cement and fixed-in-repairs, complete all as specified and as directed.

All as per Item above here–in–before but 110mm bore (dia).

PVC (SWR) 75mm Bore (dia), junction Single (Single T) Equal or Unequal with access door and Jointing with Solvent Cement and fixed-in-repairs, complete all as specified and as directed.

All as per Item above here–in–before but 110mm bore (dia).

S & F PVC (SWR) vent cowl, size of bore 75mm

S & F PVC (SWR) vent cowl, size of bore 110mm

M&L for PCC 1:5:10 type E2 using 40mm graded stone aggregate as in foundation filling and mass concrete (sunken floors etc.) all as specified.

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 Note :-WPC shall be measured and paid separately) complete all as specified and directed.

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, incl 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.

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 spd & directed.

M&L for complete removal of existing treatment and renoval broken tiles mud phaska etc or any other kind of treatment surface over roof slab and cleaning of surface with wire brushes removing of unsolvent materials, any cementious residue , dirt, oil, grease, Alge and depositing of the same as directed at a distance n.exc 100m for providing & applying Bostik Boscocrete Primer@ 200 ml per sqmt and then applying two coats of single component water basedhighly elastomeric & tough polyurethane waterproofing membrane of Bostik Block P530 Boscoseal PUD @ 2 kg/Sqm/2 coats, all complete as per the manufacturers specification. PU waterproofing membrane must meet the following parameters:Adhesion to Concrete : >1 N/sq.mm , Elongation : > 300%, DFT min 1.2mm, Tensile Strength : ≥ 2.0 MPa , Water permeability(BS EN-12390 at 5 bar, 72H) : Nil , Accelerated weathering (ASTM G 53) : Pass 1000 hours, Solid content : > 60%, Reaction to fire : Non flammable complete all as specified and directed Make:- STP/BOSTIK/ FORSOC/DR FIXIT or equivalent Note :-1. Waterproofing treatment should be done by authorized waterproofing applicator only.

M&L for providing and applying high performance Acrylic elastomeric waterproof coating on external wall by preparing the surface by cleaning, removing dust, impurities comprising the followings process. Providing & applying primer coat of Bostik Sealer coat by mixing with potable water up to 10% by volume @ 12sq.m/Ltr/coat. Applying Bostik Block A550 Boscoseal RC2 using Roller or brush in two coats at uniform thickness to achieve total thickness of 150 microns @ 300ml/sq.m/2 coats and as per manufacturer’s recommendations. Waterproofing membrane must meet the following parameters: Adhesion to Concrete : >1 N/sq.mm2 , Elongation : Minimum 200%, Tensile Strength : >1 N/sq.mm2 , Water permeability : Nil , Crack bridging : >1mm, Solid content : 65%-70%, Shore A Hardness : 75-80, UV Resistant : Excellent. Make:- STP/BOSTIK/ FORSOC/DR FIXIT or equivalent

M&L for providing and applying high performance water- based epoxy waterproof vapour barrier membrane to prevent water seepage on walls/Soffiits of slabs by preparing the surface by cleaning, removing dust, impurities and coating of Bostik Moisture Seal by brush @ 0.500 kg per sqmtr in two coats to achieve an approx. DFT of 200 microns all complete as per manufacturers recommendations. Make:- STP/BOSTIK/ FORSOC/DR FIXIT or equivalent

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

All as item No 27 above but 20 mm dia of pipe complete all as specified and directed

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

All as per item no 29 but bore dia 25 mm

Dismantling/demolition of PVC/ RCC water tanks & removing from site and S&F 500 lit capacity rotational moulded polythylene water three layered storage tank hoisted and fixed in place complete all as specified and directed

Dismantling/demolition of PVC/ RCC water tanks & removing from site and S&F 750 lit capacity rotational moulded polythylene three layered water storage tank hoisted and fixed in place complete all as specified and directed

S & F 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 complete all as specified and directed. (Minimum weight -455gms)

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

ragavbuilders (BID ID -3135733)

prabhakaran (BID ID -3125518)

kcs builders (BID ID -3135536)

vrk constructions (BID ID -3134133)

RAVI ENTERPRISE (BID ID -3126913)

M/s KM Marimuthu Achary (BID ID -3126672)