AR CAMP-Urgent Special Repair

Amount

Repair works

OD22752/2021-2022:Chipping and removing old spalling/defective concrete and exposing the defective / corroded reinforcement of the ceiling, joint the additional bar wherever 1/3 diameter of the bar is corroded.Removel of the defective concrete across yhe bar should be at least 2 mm beyond the defective bar so that the reinforcing bar can be cleaned with emery ribbon,wire brush etc.After cleaning the bar wash the bar with clean water and collect all the spalled/fallen concrete.measurement is calculated for whole exposed area .Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD22754/2021-2022:The cleaned reinforcing bar,on the dried bar,applying corrotion inhibitant one coat of nitrozinc primer care should be taken to see that the zinc rich primer coated should make an unbrocken continous film on the bars. After cleaning the bar applying one coat of bonding agent Nitobond A R/SBR.measurement is calculated as in the previous case.Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD22755/2021-2022:The applying two component high build polymer modified cementitions reinstatement mortor Rendroc HB2 preferable with hand using wet on wet methed to make sure that high strength polymer mix covers the reinforcing bar on all sides and cover the acidic concrete.measurement is calculated as in the previous case.Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD22756/2021-2022:The Ceiling surface is to be smoothened with modified mortor to an average thickness of 15 mm. measurement is calculated as in the previous case.Including cost of meterials, labour charges, conveyance of meterials to site hire charges of tools etc complete.

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

15.56:Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

4.2.3:Providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts,buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

13.9.2:Cement plaster 1:3 ( 1 cement : 3 coarse sand) finished with a floating coat of neat cement.20 mm cement plaster

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

13.7.2:12 mm cement plaster finished with a floating coat of neat cement of mix:1:4 ( 1 cement : 4 fine sand)

22.23.1:Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the engineerin- charge. The product performance shall carry guarantee for 10 years against any leakage.For vertical surface two coats @0.70 kg per sqm

14.43:Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

13.47.1:Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade:New work (Two or more coats applied @ 1.43 ltr/ 10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/ 10 sqm)

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

4.3.3:Centering and shuttering including strutting, propping etc. and removal of form work for:Columns, piers, abutments, pillars, posts and struts

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

13.61.1:Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

OD23077/2021-2022:Providing and fixing ball valve (brass) of approved quality, high or low pressure,with plastic floats complete. 50mm dia valve

OD23078/2021-2022:Supplying and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge. etc. 90mm dia pipe 10kg/cm2

18.10.6:Providing and fixing G.I. pipes complete with G.I. fittings and clamps, including cutting and making good the walls etc. Internal work- Exposed on wall50 mm dia nominal bore

18.17.6:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :80 mm nominal bore

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

PRABILKUMAR P

prajithkalathil

LANEESH .P

Bidder Name

SAJI P

prajithkalathil

LANEESH .P

PRABILKUMAR P