Construction of RCC platform of size 3.50mX 4.50m supported on RR Stone masonry for accomodating New BTS,OD,Battery bank cabinet and Nut bolt tightening of 40 m GBT at Tandara BTS _AD 5064 site in ADB OA under Nizamabad BA - Recall

Amount

1) 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.

2) Supplying and filling inside plinth, low lying area at site.

a) Moorum

3) Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

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

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

5) 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) 1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

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

a) Suspended floors, roofs, landings, balconies and access platform

7) 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.

8) 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 :

a) Cement mortar 1:6 (1 cement : 6 coarse sand).

9)Pointing on stone work with cement mortar 1:3 (1 cement: 3 fine sand) :

a) Flush/ Ruled pointing

10) Providing and fixing G.I. nut&bolts including washers of grade 4.6 of required size , dia., shape etc. all complete as per directions of Engineer-In charge .

11) Tightening of bolts and nuts for the entire ground based tower of 40M high, weighing about 8 to 10MT including fixing of necessary missing bolts and nuts, plain and spring washers, check nuts etc., complete wherever required and tightening of bolts and nuts with Torque Wrench as per the direction of the Engineer in charge. (Rate includes the cost of tightening of existing bolts and nuts with plain washers and spring washers and checknuts, necessary scaffolding arrangement, helmets, ropes, pullies and other safety arrangements etc., complete 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 this account.