Construction of Foundation and erection of 40M GB Tower at new location including transportation and dismantling of old tower at Doodhli Dehradun

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials.

All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:4:8 (1 Cement : 4 coarse sand(zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for :

Foundations, footings, bases of columns, etc. for mass concrete

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

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

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer in-charge.

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.

Loading, transportation, unloading and stacking of tower materials from Telecom Store Premnagar to tower site at Doodhli, Dehradun and all complete as per the direction of Engineer-in-charge. The material shall be transported carefully withour causing any damage and losses. (Weight of Tower material approximately 10 tonne) ( Note :- The contractor shall be soley responsible for safety of tower material, during transportation, during storage at store).

Loading & transportation of dismantled tower material etc from tower site at Doodhli and unloading and stacking of tower materials in Prem Nagar BSNL BA Store , Dehradun all complete as per direction of the Engineer-in-charge. Weight of Tower material etc. approximately 10 tonne and the material shall be transported carefully without causing any damage and losses. ( Note :- The contractor shall be soley responsible for safety of tower material, during transportation, during storage at store).

Credit for dismantled unserviceable material

Old dismantled reinforcement bars

Painting two or more coats with Luxol Hi-Gloss or equivalent approved brand & manufacture synthetic enamel paints to members of 40M (4 legged) light weight cellular tower, every alternate leg with international orange and white shade respectively as per norms of Civil Aviation signal including a priming coat of zinc chromate primer & necessary scaffolding etc., taking all precautions to protect human lives, insurance coverage to labour etc. all complete as directed by the Engineer-in-Charge.

Dismantling of ground based self supporting 40 meter BSNL tower at Bhuddi, near Shimla Bypass , Dehradun. The work shall include following operations: (a) Dismantling of tower including loosening the nuts and bolts to seprate the jointed member from each other i.e ,ladders, plateforms, wave guide rack,all gusset plate, lightening arrestor pipe stand etc. The material will be handled carefully during dismantling operation and placed on ground properly .All nuts and bolts will be packed in polythelene bags and sealed properly .Defects in any member (bend or twist) arises during dismantling operation will be rectified by the agency at free of cost.(Note the approximate weight of tower is approx 10 tonnes. (Note :- All precautionary measures such as helmets, safety belt etc for safety of labours should be ensured by contractor )

Sorting of the erection materials of the 40 metre high GBT at the BSNL Telecom Store, Prem Nagar, Dehradun and stacking all the members size and design wise all complete as per the direction of Engineer-in-Charge.

Supplying deficient tower materials (due to Shortage of material supplied at Store) at site. The material required for tower, ladder, wave guide rack, antenna fixtures, pipe stand for lightening arrester, nuts, bolts, templates, base plates etc. as required shall be provided as per drawings in required lengths including necessary cutting, welding, drilling holes for bolts etc. in exact conformity with the approved drawings and as per the direction of Engineer-in-charge. The member shall be fabricated from pure virgin structural steel from approved companies like TISCO, RINL,SAIL etc. NOTES: 1. All tower materials shall be hot dipped galvanized. The tower materials, fabrication and galvanizing shall be as per relevant BIS and SERC specifications. 2. This item is exclusive of erection and painting charges. 3. Measurements:Weight of individual member shall be worked out on the basis of linear measurements and standard coefficients. Nuts, bolts and washers shall be measured for payment. 4. The rate is inclusive of cost of all materials, carriage, octroi, labour,T&P necessary for straightening, cutting, filing, drilling, welding etc.

Erection of ground based self supporting tower of any height using new/old /recovered serviceable dismantelled materials. The work shall include following operations: (a) Erection of tower inlcluding sorting, assembling, lifting, fitting and fixing in position of all tower materials, ladders, platforms, wave guide rack, lightning arrester pipe stand etc. as per drawings and as per direction of Engineer-in-charge. (The rate includes straightning of bent tower materials, matching holes of members/ gusset plates etc. and all related works for completion of this item. All materials shall be supplied departmentally. Only labour charges are covered in this item)

Labour for placing and fixing in position 32 mm dia anchor bolts/ nuts of all sizes @ 8 Nos. in each column pedestal of RCC tower foundation (totalling 32 numbers anchor bolts in each tower) using necessary templates etc. including tying and maintaining the exact spacing and alignment of bolts during and after concreting as per drawing and specifications strictly within acceptable tolerance limits, cleaning, oiling etc. all complete as per the direction of Engineer-in-Charge etc. (Complete labour for one tower shall be mesured as One Job)

Making and supplying at site anchor bolts for fixing base of tower manufactured from 32 mm dia mild steel bar of 1600 mm length conforming to IS: 2062, threaded at top upto 150 mm length and galvanised upto 200mm at threaded end, including fixing of suitable hexagonal nuts 2 Nos. (Nuts & Checknuts) and MS spring washer etc all complete as per drawing and as directed by the Engineer-in-charge.

Providing and fixing marker plate of size 900x750 mm, minimum thickness 0.5mm near base of the tower, indicating its height, weight, date of erection, type of antenna along with BSNL logo name of station and Unit etc. all complete as per the direction of Engineer-in-charge.

KULDEEP SINGH

HARINDER SINGH

VINOD KUMAR DHIMAN