Bharat Sanchar Nigam Limited Tender

2 mm thick corrugated (2.5” or 4.2” or 6”) or step-down (2” or 3” or 6” ) as specified

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

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).

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge.

With cement mortar 1:4 (1 cement : 4 fine sand).

Providing and applying crack fill paste of Dr.Fixit Crack-X Paste 201 or equivalent in the cracks formed in the brick wall of size upto 5mm wide and depth after cleaning the cracks from dust with necessary wire brush and making groove with tools and applying the paste and making good the walls complete as directed by the Engineer-in-charge.

Removing the trees and plants grown over the building by rooting out and treating with acid to prevent the growth and setting the portion with necessary concrete or plastering and finishing with cement primer complete as directed by the Engineer-in-charge.

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.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and fixing rigid PVC soil waste and rain water pipes (SWR) of pressure class 4kg/sqcm confirming to IS:13592-2013 Type-B including jointing with solvent cement.

Single socketed pipes - 110 mm dia.

Providing and fixing rigid PVC SWR moulded fittings /accessories for PVC SWR pipes of pressure class 4kg/sqcm confirming to IS:14735:1999 Type-B including jointing with solvent cement. A)Plain bend 87.5°

110mm dia

Providing and fixing rigid PVC SWR pipe clips confirming to IS:14735:1999 for fixing rigid PVC SWR pipes

110mm dia

Providing and fixing rigid PVC SWR moulded fittings /accessories for PVC SWR pipes of pressure class 4kg/sqcm confirming to IS:14735:1999 Type-B including jointing with solvent cement.

a)Door Teei)110mm dia

Repairing the available Manhole after removing the existing RCC slab, M/H cover with frame, Relaying the bottom concrete with channels, replastering the inside walls with cement plaster 1:3 , providing RCC 1:1.5:3 slab and fibre reinforced RCC Manhole cover with frame of size 0.75x0.75m overall with 0.60mx0.60m opening and finishing complete all as directed by the Engineer-in-charge.

Rectangular Manhole with Inside size 90x80cm.

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

Note :- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works.

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

Bars above 12 mm diameter

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

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and 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 and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

25 mm average thickness in 2 layers.