Construction of 40m Ground based Tower Narrow based light weight tower including RCC Foundation at JANKAMPET_NZ 2154, NZB-BA using tower material of 40m GBT at MOPAL_NZ2150

Amount

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

2) Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 m lead as per direction of Engineer-in-charge. In cement mortar:

a)In cement mortar

3) Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 m lead as per direction of Engineer-in-charge. In cement mortar:

a) In cement mortar

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

5) 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.

a) All kinds of soil

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

a) Ordinary rock

b) Hard rock (blasting prohibited)

7) 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.

a) All kinds of soil

8) 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.

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

a) All kinds of soil.

b) Ordinary or hard rock.

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

a) 1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

b) 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

11) 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 :

a) 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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

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

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

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

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

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

15) 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. (Note: Item is operated for Horizontal gantry etc)

16) 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 @ 0.90 litre/10 sqm)

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

a) Two or more coats on new work (Note:Item is operated for Horizontal gantry etc.)

18) Dismantling existing 40m high Ground Based Angular structural steel tower of weight about 10.60 MT(approx.) along with vertical and horizontal gantries, antenna mounts, access platforms including numbering the members as per the drawings and stacking the members carefully in orderly manner at the site as directed by Engineer In Charge. (Rate includes necessary tools and plants such as pulleys, ropes etc., arranging skilled labour, insuranace to the labourers and all incidental charges for complete job work. Dismantling of tower including all above operations is measured as one job. )

19) Mechanical transportation of dismantled 40 m GBT tower members comprising galvanised structural steel tubes, MS angles , flats , plates, pipes nuts and bolts etc of varying sizes and lengths from Mopal to Jankampet . The Job includes cost of collection of all members with required lead and lifts , loading and unloading and stacking all the tower members at the proposed site of errection at Janakampet including all incidental charges etc all complete as directed by engineer in charge.

a) within the lead of 30.00 Km.

20) Rebate/Credit for taking away of unserviceable recovered from dismantled tower

a) steel reinforcement /nuts &bolts/ steel sections etc (weight of steel is measured for payment)

b) Random Rubble stones. (RR masonary shall be measured for payment)

21) Providing and fixing anchor bolts of size 32mm dia mild steel bar of required length conforming to IS:2062 and EN 8 grade for fixing base of steel tower, threaded at top upto 150mm length and welded with lugs made from 100x100x10mm thick mild steel plate at 50mm from bottom including suitable hexagonal nuts 2 nos. (Nuts & Checknuts) and MS spring washer etc. all complete as directed by the Engineer-in-charge/as per approved drawing. All anchor bolts shall be oriented and fixed using template etc for each tower as per the drawing. Rate includes cost of necessary scaffolding arrangement etc all complete as directed by the Engineer -in-charge (Any base concrete will be measured seperately. Weight of anchor bolts including base plate,nuts&bolts shall be measured for payment)

22) Providing Structural steel work riveted, bolted or welded in build up sections, trusses and framed work, consisting of Angles, Flats, Plates by fabricating to required size&shape and providing nuts & bolts of grade 5.6 with plain & spring washers including galvanisation as per approved drawing. The galvanizing shall be as per IS: 4759 with minimum mass of zinc coating of 610 gm/sqm . The steel sections shall be of M.S.grade 'A' as per IS: 2062. Cost of galvanization is inclusive all complete as directed by the Engineer-in-Charge (Note: Item is operated for any missing MS tower members including nuts and bolts of grade 5.6 or higher grade all as specified in the tower drawing as directed by Engineer in charge. Weight of structural steel members,nuts&bolts and washers provided is measured for payment)

23) Labour charges for hoisting, fixing and erection of 40 mtrs height Ground based structural Steel Tower (Weight of tower approx. 10.50 MT) as per approved Drawing No.TEC. GR/TWR-04/01, DEC'2000 with amendments issued, with all its necessary components Viz climbing ladder, platforms with railing and fixing with bolts, nuts, plain and spring washers and proper tightening with Torque wrench. Cost includes necessary alteration /any mismatching holes to the members wherever required complete in all respect as per direction of the Engineer -in-charge (NOTE: Rate includes cost of all operations involved in hoisting/ erection of complete tower including providing necessary tools, plants and machineries , insurance to labour, safety net/ropes etc and satisfactory completion of acceptance testing all complete .Tower material shall be supplied by department at site at no cost .Fixing of anchor bolts and foundation concrete shall be paid seperately) Erection of tower including above operations is measured as one job.

24) Applying priming coat with one coat of ready mixed Zinc Chromate primer or equivalent of approved brand and manufacture for 40m Ground based tower (weight about 10.50MT) all complete as per directions of Engineer-In charge and the tower standard specifications . (Priming coat for entire tower with all above operations is measured as one job.)

25) Applying priming coat with one coat of Eitch primer (BISON wash primer or equivalent) approved brand and manufacture for 40m Ground based tower (weight about 10.50MT) all complete as per directions of Engineer-In charge and the tower standard specifications . (Etch Priming coat for entire tower with all above operations is measured as one job.)

26) with High gloss synthetic enamel paint of approved brand and manufacture to give an even shade for 40m ground based tower (weight about 10.50MT). all complete as per directions of Engineer-In charge and the tower standard specifications . a) Two or more coats on new work. (Enamel painting for entire tower with all above operations is measured as one job.)

27) Extra for galvanising with hot dip zinc coating the members of Structural steel work riveted, bolted or welded in built up sections, trusses and framed work confirming to IS 4759 with minimum mass of coating 610gm/sqm and zinc confirming to IS13229 as per directions of Engineer in charge(weight of galvanised steel members is measured for payment. Item is operated for Horizontal gantry etc.)