Demolishing of exisiting damaged dilapidated front side compound wall re construction of compound wall repairs to BTS shelter for arresting leakages tightening of bolts nuts and painting of 40m GBT at SURYALOK compound Abids Hyderabad

1) 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. All kinds of soil

2) 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.

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

i) 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

4) 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).

5) Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).

6) Centering and shuttering including strutting, propping etc. and removal of form for all heights:

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

(ii) Columns, Pillars, Piers, Abutments, Posts and Struts

(iii) Edges of slabs and breaks in floors and walls. Under 20 cm wide.

7) Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level. Thermo-Mechanically Treated bars of grade Fe-500 D or more.

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

9) Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

10) Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6 (1 cement : 6 coarse sand)

11) Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand). The contractor has to arrange the header / bond stones for fixing at intervals as per CPWD specifications. In case of non -availability of header / bond stones of required size the Contrcator has to use precast RCC blocks in place of header / Bond stones with RCC 1:1.5:3 ( 1Cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) with reinforncement 0f 8mm dia, 4 nos., of required length and stirupps with 8 mm dia reinforcement @ 150 mm C/C.. Nothing extra shall be paid on this account.

12) Random rubble masonry with available hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand). The contractor has to use the header / bond stones for fixing at intervals as per CPWD specifications. In case of non -availability of header / bond stones of required size the Contrcator has to use precast RCC blocks in place of header / Bond stones with RCC 1:1.5:3 ( 1Cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) with reinforncement 0f 8mm dia, 4 nos., of required length and stirupps with 8 mm dia reinforcement @ 150 mm C/C.. Nothing extra shall be paid on this account.

13) 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.

14) Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

15) Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

16) 12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand)

17) 15 mm cement plaster on the rough side of single or half brick wall of mix : 1:6 (1 cement: 6 fine sand)

18) 20 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

19) 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 @ 2.20 kg/10 sqm).

20) 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.

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

22) Cleaning of the entire compound by removing all un-wanted materials / debris and stacking the same in the compound. All bushes, small trees / plants, grass etc shall be removed. The entire compound shall be cleaned. All complete and as per directions of the Engineer - in - charge.

23) Carting out of building rubbish / malba / similar unserviceable dismantled waste materials by mechanical means including lifting, loading, transporting, unloading to approved municipal dumping ground beyond 50 m initial lead as directed by the Engineer-in-charge.

24) Mechanical transportation of existing Grills from Padmaroanagar Compound to site of work. Approximate distance is about 10 Kms. The rate includes transportation charges, loading & un-loading charges, all other incidental charges. Nothing extra shall be paid on any account. All complete and as per directions of the Engineer - in - charge. Approximate length of grills is 3.0 metres and height is 2.00 metre and grills for covering length of approximate 18 metre are to be transported. All complete and as per the directions of the Engineer - in - charge.

25) Fixing of existing Grills by cleaning the dust, earth etc, straightening the grills and providing welding wherever necessary for repairing the damaged grills and fixing them using necessary scaffolding and making necessary fixing arrangements and fixing it in cement concrete on the top of compound wall etc. All complete and as per directions of the Engineer - in - charge. The grills are to be modified / adjusted by welding or cutting so that the grills fixed shall look equal in height. Approximate length of grill to be fixed is 18 metres and approximate height is 1.00 metre. Any new structural steel materials fixed to the grills by welding shall be paid separately. All complete and as per the directions of the Engineer - in - charge.

26) Tightening of bolts and nuts for the 40m NB Light weight tower ( approx wt of tower is 10.50MT) and gantry including fixing of necessary missing bolts with torque resistant bolts and nuts with plain and spring washers checknuts etc and painting the entire tower with synthetic enamel paint in one or more coats to given even shade as per direction of Engineer -In Charge. (Rate includes the cost of tightening of existing bolts and nuts with plain washers and spring washers and checknuts, synthetic enamel paint, necessary scaffolding arrangement, helmets, ropes, pullies and other safety arrangements and all other incidenatal charges, complete all as per directions of Engineer-in-Charge. Payment for missing bolts and nuts shall be made seperately under relevant item.) Note:- BSNL shall not be responsible for any mishaps, damages etc., if any, occuring during the execution of the work. The rate includes the cost for taking necessary insurance for workmen compensation and for comprehensive risk coverage. Nothing extra shall be paid on any account. 40m NB light weight tower.

27) Supply of G.I nuts & bolts of grade 5.6 with plain & spring washers of required size and diameter, complete as per directions of Engineer In Charge.

28) Extra for galvanising (of thickness not less than 120 microns) on M.S angles , flats, gussets plates, bolts, nuts and other fastners.

29) Painting 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 and gantry along with all above operations is measured as one job.)

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