Tender For Repair Maintenance And Cleaning Of 04 Nos Oht And 01 Nos Under Ground Sump At Bsf Campus Paloura Under Ftr Hq Bsf Jammu, Jammu-Jammu And Kashmir
TDR : 49259032
Tender Notice
BOQ
Expired
Jammu
Jammu And Kashmir
Tender For Repair Maintenance And Cleaning Of 04 Nos Oht And 01 Nos Under Ground Sump At Bsf Campus Paloura Under Ftr Hq Bsf Jammu
Name of Work: Repair, Maintenance and cleaning of 04 Nos OHT & 01 Nos under ground sump at BSF Campus Paloura under Ftr HQ BSF Jammu.
Sl. No.
Item Description
1
Finishing walls with Acrylic Smooth exterior paint of required shade :Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface
2
Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work
3
Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height 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. staircase system in the scaffolding for workingplatform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .Thescaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin- harge .The elevation area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.
4
Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.
5
Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge 25 mm average thickness
6
Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter
7
Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer
8
Shotcreting R.C.C. columns, beams and slabs etc. in layers with approved design mix concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design criteria] including the cost of centering and shuttering at edges and corners etc. as directed by Engineer in-ChargeEngineerNote: Rates shall include the providing necessary ground wires etc.The levelling gauges, if used, shall be paid for separately. Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/ tapping with a blunt metal instrument.25mm thick in Grade M 25 with cement content not less than 330 kg per cum
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