Rehabiliation and Maintenance works to IMPCS Tower sites located outside Town limit of Pondicherry BA .

Amount

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete:-

a) Thermo-Mechanically Treated bars.

6 mm cement plaster of mix :

a) 1:3 (1 cement: 3 fine sand)

Finishing walls with Acrylic Smooth exterior paint of required shade :

a) New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/ 10 sqm)

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

a) 50 mm average thickness

b) 25 mm average thickness

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.

a) Bars upto 12 mm diameter

b) 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.

a) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

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 doneand surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75 mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

a) 12 mm average thickness.

b)25 mm average thickness in 2 layers.

c) 50 mm average thickness in 3 layers

Dismantling tower parts like bracings, ladder, Safety Rings, Cable tray, handrail etc. making good the same by straightening the bend if any and stacking at site under the safe custody of the agency etc. all complete including all necessary tools, ropes etc. as directed by Engineer-in-charge.

Supplying at site the Galvanised M. S tower materials consisting of angles, flats, pipes, bars bolts and nuts washers Gusset plates, etc., including labour charges for cutting drilling holes, welding as required and as per the directions of Engineer-in-Charge. (a) Angles, flats, bars, plates, bolts & nuts washers, gusset plates, base plate and stiffening plates etc.

Erection of tower including necessary sorting out of materials at site as per check list and tightening of bolts and nuts, washers etc. as per the requirement of Indian standard codes, torque checking etc. complete as directed by the Engineer- in- Charge. ( The rate includes necessary insurance charges for labour and the agency is responsible for all precautionary measures to be maintained at site for safety of men working)

Tightening of bolts and nuts of various diameters for Towers including torque checking as per the indian standaral codes all complete as directed by Engineer-in-charge.

40 M Ground Based Tower

15 M MARR Tower - Single Number

15 M MARR Tower - Three Numbers Clubbed

18 M Roof Top Tower

12 M Roof Top Tower

6M Poles - Three Numbers are Individually erected and All three are connected by Horizontal bracings

6M Poles - Two Numbers are Individually erected and are connected by Horizontal & Diagonal bracings

Painting with Luxol or equivalent high gloss synthetic Enamel paint in One or more coats over and including a Touch up base coat of primer (Zinc phosphate or Zinc Chromate or equivalent) of approved make and even shade wherever peeled off paints exists. ( The payment shall be made based on the weight of the tower / cable tray painted) excluding any new materials that are erected.

40 M Ground Based Tower

15 M MARR Tower - Single Number

15 M MARR Tower - Three Numbers Clubbed

18 M Roof Top Tower

12 M Roof Top Tower

6M Poles - Three Numbers are Individually erected and All three are connected by Horizontal bracings

6M Poles - Two Numbers are Individually erected and are connected by Horizontal & Diagonal bracings

Supplying 8 mm dia galvanised MS rope for stay wire arrangement all complete as directed by Engineer-in-charge.

Replacing the corroded Connection plates of Square or Round shape of size upto 10cmx10cm/ Dia 10cm of 8mm thick with new ones including necessary holes for fixing in the legs or adding the new plates to the existing one or to the legs around with welding to safeguard the embedded pipe which ever is feasible as per site condition all complete as directed by Engineer-in-charge.

Removing the corroded / Bended structural elements from the Tower of any type by cutting torch thermally or mechanically, replacing with new ones of weight upto 5.00 Kgs including necessary holes /Primer/Enamel painting/Welding/ Welding rods & Equipments, To & Fro Transport for refixing the same all complete as directed by Engineer-in-charge.

Labour charges for erecting stay wire connected to pole structure with wall clamp fixed with existing expansion fasteners, clamping the stay wire at ends with available two nos. MS D-clamp all complete as directed by Engineer-in-charge.

Labour charges for removing the corroded stay wire connected to pole structure without damage to the Existing Structural Elements all complete as directed by Engineer-in-charge.

Credit to corroded steel sections/other steel recovered from tower structures., including carriage for disposal all complete as directed by the Engineer-in-charge (Recovery to be made on the basis of weight of steel)

Clearing the bushes in and around the tower premises for safety approach to the equipments installed, including removing the creepers / bushes, disposal of rubbish outside the Village/town limit of minimum 5 km away from the site all complete as directed by engineer-in-charge. a) Area of GBT upto 50sqm

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 upto 2.85 cum , for all leads including all lifts involved.

R.Ramkumar