CERTAIN REPAIRS TO ROOF AND SUNKUN WORKS IN DOMESTIC AREA AT AF STN ADAMPUR

M&L for PCC type E-2 (1:5:10), using 40 mm graded crushed stone aggregates as in filling & mass concrete, complete all as specified & directed.

M&L for PCC type B-2 (1:2:4), using 40 mm graded crushed stone aggregates as in filling & mass concrete, complete all as specified & directed.

M&L for Brick work using fly ash bricks straight or curved on plan exceeding 6.00 metre mean radius built in cement mortar (1:6), complete all as specified & directed.

M&L for PCC type D-2 (1:4:8), using 40 mm graded crushed stone aggregates as in filling & mass concrete, complete all as specified & directed.

M&L for Use & waste of formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter with rough finished surfaces of concrete, complete all as specified and as directed.

M&L for Reinforced cement concrete, type B-1 (1:2:4), (nominal mix) , as in in foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete all as specified.

M&L for Rendering 15 mm thick on fair faces of brick work or concrete surfaces, finished even and fair on walls in cement mortar (1:4), mixed with and including water proofing compound as per manufacturers instructions, complete all as specified & directed.

M&L for Prepration of new plasterd wall surfaces of any description complete all as specified and applying the following: - a) Applying wall care putty, in two coats & smoothening the surfaces as specified. (preparatory to paint as directed).complete all as specified. (b) Two coats of exterior acrylic emulson over and including a coat of water based exterior primer complete all as specified.

M&L for Coloured glazed ceramic tiles 9-10mm thick (square/ rectangular) area of each tile exc. 1.00 Sqm but n. exc. 1.50 Sqm, on vertical surfaces as in skirting, dado etc. set and jointed in neat cement slurry and pointed with grout of matching shade of tiles, laid over and including 15mm thick bedding layer in cement mortar (1:4), complete all as specified & directed.

M&L Coloured Non - skid Ceramic tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 20 mm thick Screed bed or bedding layer of mortar for laying floor finishes in CM 1:6 complete all as specified and directed.

M&L for Granite 18 mm-22 mm work (table rubbed and polished) in steps, jambs, pillars, window-cills, cooking platforms and like in cement mortar (1:4) including 20mm thick screed bed in CM (1:6) for laying of Granite slab& pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as specified and directed.

M&L for Rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations complete all as specified.

S&F mild steel TMT bars 10mm dia and over cut to length bent to shape required, including cranking bending spirally for hooping for col, hooking ends and binding with and including MS wire (annealed) not less than 0.9 mm dia or securing with clips quantity confirming to Fe-410W(Gde- E-250) or Fe-290(Gde-E-165) complete all as specified and as directed.

Mild steel work as in joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) quality confirming to grade Fe-290-Gde E-165, complete all as specified and directed.

S&F, Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment complete all as specified and directed

S&F anchor bolts for fixing gusset plates dia of bolt exceeding 20 mm but n exc. 25mm of length 30cm long complete all as specified and directed.

Disconnecting existing tanks, Capacity exc. 250 ltr but not exc. 500 ltr , setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed

Taking down existing water proofing treatment (any no. of layers) from RCC roofs including cleaning the surface including flashings and junction of parapet etc. with wire brushing & water to the entire satisfaction of EIC, complete all as specified.

Cleaning the surface and made free of dirt, foreign particles, laitance followed by grinding all protrusions to make surface modulated. Thereafter, inspection for cracks on the surface caused by thermal expansion contraction. Cutting the grooves with suitable cutter machine in "v" groove filled with Repair mortar/Micro concrete/General purpose grout as recommended proportionally as per recommendation of manufacturer. Making of Gollas at all the corners with Polymer modified mortar(1:4 Cement: sand with 3.5% Acrylic of cement weight) and " Supplying and applying High build elastomeric waterproofing coating based on pure, hydrophobic polyurethane, cold applied of spray / brush applied, membrane with an elongation of 280% and tensile strength of 2.7 N/mm2 as per ASTM D 2370, crack bridging ability of 3mm, no leakage upto 5 bars of water pressure as per DIN 1048, min 88 % solid content. The system includes final base preparation, epoxy primer 1:1(Resin: hardener) application with 100 % water dilution and Pure polyurethane application in 2 coats with a total min consumption of 1.25 Kg per SQM and glass fibre mesh of 2.5mmx2.5mm needs to be sandwiched b/w two coat . Note:- Application should be done with Graco sprayer by a company authorised applicator. "

Cleaning the surface and made free of dirt, foreign particles, laitance followed by grinding all protrusions to make surface modulated. Thereafter, inspection for cracks on the surface caused by thermal expansion contraction. Cutting the grooves with suitable cutter machine in "v" groove filled with Repair mortar/Micro concrete/General purpose grout as recommended proportionally as per recommendation of manufacturer and applying FOSROC nit proof 650PU over a priming coat of FOSROC Nitoproof WB primer or equivalent product of asian paints, M/s MC Bauchemie/CIPY/ SIKA/ Pidilite/ DR Fixit/ Thermex STP applied as per manufacturers instructions. Further provide a polypropylene/ polyester non woven geotextile fabric of 150 GSM. Followed by cement screed 15mm in CM (1:4) in slope, over that 20mm thick Terracotta burnt tiles are laid. While laying the tiles, care should be taken to see that joints are thoroughly filled with FOSROC Nitotile grout polymer based joint mortar or equivalent product of Asian paints M/s MC Bauchemie/CIPY/ SIKA/ Pidilite/ DR Fixit/ Thermex STPas per manufacturers instructions. Note: Tiles should be measured and paid separately in respective item.

M&L for 20mm thick Terracotta burnt tiles laid on 15mm screed bed in cement mortar 1:4 in slope ,and joints are thoroughly filled with FOSROC Nitotile grout polymer based joint mortar or equivalent product of asian paints M/s MC Bauchemie/CIPY/ SIKA/ Pidilite/ DR Fixit/ Thermex STPas per manufacturers instructions complete all as directed.

Clean the sunken/ lowered portion of RCC Slab surface for full depth of sunken floor by wire brush. Chisel out any mortar sticking the surface and applying FOSROC Nit proof 600PF (minimum 0.8 mm dft) over a priming coat of Nitoproof WB Primer or equivalent product of asian paints, M/s MC Bauchemie/CIPY/ SIKA/ Pidilite/ DR Fixit/ Thermex STP applied as per manufacturers instructions and full vertical sides of sunkun floors, Fill it with water and check for dampness and seepage. In case the slightest indication of seepage/ leakage to be noticed, the same shall be rectified by injection grouting to seal all cracks or application of polymer modified mortar FOSROC nitobond SBR or equivalent of M/s MC Bauchemie/CIPY/ SIKA/ Pidilite/ DR Fixit/ Thermex STP/ Asian Paints admixed with integral WPC or cementations crystalline waterproofing compound in the affected area to steal all cracks and micro cracks if any, and this shall be done by contractor at his own cost. All junctions points of side walls where CI/GI pipes are passing through shall be sealed with epoxy cement mortar.

M&L for cement concrete 1:2:4 type B1 (20 mm graded aggregate)as padding/Kerb in roof including necessary formwork as specified.

S & F in repair for PVC (SWR) pipes single socketed, in any length with or without rubber ring joints, fixed to walls, bore of pipe 110 mm, etc complete all as specified and directed.

S & F in repair for PVC (SWR) bends any radius, bore of pipe 110 mm, etc complete all as specified and directed.

S & F in repair for PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors , bore of pipe in 75 mm, etc complete all as specified and directed.

S & F in repair for PVC (SWR) bends any radius, bore of pipe in 75 mm, etc complete all as specified and directed.

S & F in repair 75mm dia PVC floor trap with grating including jointing to waste pipe fixed in cement concrete type B1 (1:2:4 ) complete all as specified and directed.

M&L for cutting of existing uPVC/PVC pipe of any dia for lowering pipes during roof treatment, complete all as specified and directed.

Dismantling brick tiles in roof laid dry and pointed in cement mortar complete all as specified and directed.

Demolition of mud phuska in roofs of thickness not exceeding 200 mm including leaping plaster complete all as specified

Dismantling wrought iron mild steel works or of any description in any position not otherwise specifically provided complete all as specified and directed.

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc completed all as specified.

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

Demolition of reinforced cement concrete as in chimney, Roofs, floors (other than ground floors), beams staircases, landing, chajjas, and similar suspended work complete all as specified and directed.

Demolition of Concrete of any description and in any position not otherwise specifically provided for, cement concrete, etc complete all as specified and directed.

Demolition brickwork or stone / boulder masonry built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed.d

Notes: Amount of credit for retrieved materials is mentioned in tender documents in pdf form which will be deducted while acceptance of tender offline.

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