|
| 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. |
| 2 | All kinds of soil |
| 3 | Open timbering in case of shafts, wells, cesspits, manholes and the like including strutting and shoring complete (Measurements to be taken of the face area timbered): |
| 4 | Depth exceeding 3 m but not exceeding 4.5 m. |
| 5 | Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials. |
| 6 | All kinds of soil. |
| 7 | 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. |
| 8 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 9 | 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) |
| 10 | 1:4:8 (1 Cement : 4 coarse sand(zone-III) : 8 graded stone aggregate 40 mm nominal size). |
| 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 : |
| 12 | 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size) |
| 13 | Centering and shuttering including strutting, propping etc. and removal of form for : |
| 14 | Foundations, footings, bases of columns, etc. for mass concrete. |
| 15 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level: |
| 16 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 17 | Half brick masonry with common burnt clay F.P.S. (non modular) bricksof class designation 7.5 in foundations and plinth in : |
| 18 | Cement mortar 1:3 (1 cement : 3 coarse sand) |
| 19 | 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. |
| 20 | In gratings, frames, guard bar, ladder, railings, brackets, gates, 32 mm dia anchor bolts and similar works. |
| 21 | Labour charges for fixing of anchor bolts 32mm dia (or any other dia as per design requirement of department) 8 nos. in each of 4 no. column pedestals of tower along wih template, totalling 32 nos. anchor bolts all complete as per the direction of Engineer-in-Charge. |
| 22 | Supplying at site galvanised steel tower materials, [MISSING / UNAVAILABLE MEMBERS ONLY] with average mass of zinc coating of 610 gm/Sqm (approximately 85 micron), members may be consisting of either angles, flats, base plates, gusset plates, ladders, connecting plates, climbing ladders, bolts & nuts, washers fabricated as specially instructed and as per approved drawings and specifications for erection of equivelenttower. The galvanising shall be as per IS: 4759. The structural steel for tower shall confirm to IS: 2062 and fabrication shall be as per IS: 4757. The structural steel section shall be procured from the main producers like SAIL, RINL, TISCO. In case, structural steel sections from secondary producers are permitted, the same shall be restricted only from secondary producers of repute such as PARAS, SRMB, BABA or having valid BIS certification and POWER GRID approved conforming to all relevent IS specifications and as approved by the Engineer-in Charge. (The rate includes for all operations as above including carriage of all galvanised steel materials from source of procurement to the site of work). Note:- 1 All steel materials shall be made from M.S. high density structural members like angles, flats, round/ square bars, tees, channels, gusset plates, joints, rivets, G.I. Pipes, bolts & nuts, washers etc. Nothing extra shall be payable for special fabrication, erection and fixing of the above steel built up section in position at any height of the tower or any building by bolts and nuts or by site weldingNote:- 2 Payment shall be made on the basis of weight of black (non-galvanising) section only and nothing extra shall be paid on account of variation in weight due to galvanising]. |
| 23 | Painting two or more coats with hi gloss synthetic enamel paint of approved brand and colour (white and orange) over one coat of ETCH primer ( BISON WASH PRIMER OR APPROVED EQUVALENT ) and second coat of BISON HB ZINC phosphate primer ( or Zinc cromate primer) or approved equivalent of approved brand as per recommendation of international Civil Aviation rules in 40 M galvanised structural steel tower. [Rate shall include painting of tower , platform, antenna mount, ladder, vertical tray, horizontal tray, post etc]. |
| 24 | Labour for hoisting, fixing and erection of 40 M high tower as per departmental drawing and design with all its necessary components viz. climbing ladder, platform with railing and fixing with bolts nuts and spring washer, necessary welding etc. wherever required complete in all respect as per the direction of E-in-C. [The rate shall include the cost of all operations involved in hoisting and errection of tower including hire and labour charges of all tools, plants and mechinaries, insurance premium of labour etc. and nathing shall be payable extra]. |
| 25 | Drilling, punching and enlarging holes of required diameter of M.S. structural members (any thickness) by machine driling and grinding including mending good and fishing complete as per the site requirement and direction of E-in-C. |
| 26 | 12 mm cement plaster of mix : |
| 27 | 1:4 (1 cement: 4 fine sand) |
| 28 | Finishing walls with water proofing cement paint of required shade : |
| 29 | New work (Two or more coats applied @ 3.84 kg/10 sqm). |
| 30 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : |
| 31 | Two or more coats on new work. |
| 32 | Providing and laying 75 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc. complete as per direction of Engineer-in-charge. |
| 33 | Welding by gas or electric plant including transportation of plant at site etc. complete. |
| 34 | Supplying & driving Eucalyptus ballah piles at base of tower site by monkey / drop hammer in all sorts of soil i/c hoisting and placing piles in position @ 200 mm c/c including coal tar painting of ballahs, protecting the pile head with iron ring and cutting & sharping heads before and after drivingall complete as per direction of Engineer-in-charge. (i) Avg dia of E.C ballah 112 mm and 2.40 metre in length |
| 35 | Transportation of tower materials by mechanical means from departmental storeto the work site at Ranichawk, Haldiaincluding all charges ie, labours for sorting of materials, loading, unloading, stacking and carriage cost involvement. |
| 36 | From Gopalpur TF to Ranichwak for a distance upto 160 km. |
| 37 | From Tarkeshwar to Ranichwak for a distance upto 150 km. |
| 38 | From Kharagpur TF to Ranichwak for a distance upto 130 km. |
