19/BSNL/CD-SLG/ 2024-25

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.

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):

Depth exceeding 3 m but not exceeding 4.5 m.

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

All kinds of soil.

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.

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

1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

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

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.

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.

Half brick masonry with common burnt clay F.P.S. (non modular) bricksof class designation 7.5 in foundations and plinth in :

Cement mortar 1:3 (1 cement : 3 coarse sand)

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, 32 mm dia anchor bolts, antena mount GI Pipe upto 65 mm dia and similar works. Rate includes providing & fixing cable tray, its support, horizontal cable tray and any other steel work item related to commissioning of the tower and BTS as per approved drawings and direction of the Engineer-in-Charge. Nothing extra shall be paid for special fabrication, erection and fixing of the above steel in built up sections in position (except placing & fixing the anchorbolts in position before Stem casting, which shall be paid seperately) upto a height of 45 mtr on tower or in any building by bolts & nuts or by welding)

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.

Made of G.I. wire of dia. 4 mm, PVC coated to achieve outer dia not less than 5 mm in required colour and shade

Supplying at site galvanised steel tower materials, nut and bolts [MISSING / UNAVAILABLE MEMBERS ONLY] made of structural steel work in single section without connecting plate including cutting to required size and making holes at the apppropriate place as specially instructed and as per approved drawings and as per direction of 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).

Labour charges for arranging in place as per drawing & fixing 25 - 35 mm diameter of anchor bolts in position before concreting of column pedestals of tower along with templates etc. complete as per direction of the Engineer-in-Charge. (Templates, Base plates and anchor bolts shall be paid seperately)

Painting two or more coats with hi gloss synthetic enamel paint of approved brand and colour (white and orange) of approved brand over a under coat of BISON HB ZINC phosphate primer ( or Zinc cromate primer) or approved equivalent 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. The rate also covers all the tools & plants and safety of labours and necessary insurance Premium etc. Nothing extra shall be paid whatsover)

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. with proper tools and plants 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 and others like safety jackets, safety belts, helmets and all necessary safety devices etc. and nathing shall be payable extra. The contractor has to supply Insurance coverage certificate of works, failing which an amount of Rs.5000/- per labour engaged/involved shall be deducted from the bill of the work. The decision of the Engineer-in-Charge in this regard shall be final & binding on the Agency ].

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.

Refixing & reinstalling old available dismembered Shelter in position i/c providing all accessories required for re-installation of the shelter like anchor fastners, rivets, Inner corner flashing, Outer corner flashing, U track for floor & door, PPGI roofing sheet, Roof supports,Silicon sealant, corner angles etc. All as per direction of the Engineer-in-Charge. (Rate includes local transportation charges of available Shelter structural members - upto 5 kms lead)

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

Neat cement punning

Finishing walls with water proofing cement paint of required shade :

New work (Two or more coats applied @ 3.84 kg/10 sqm).

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

Two or more coats on new work.

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.

Welding by gas or electric plant including transportation of plant at site etc. complete.

Transportation of tower materials (weighing approximately 9 Metric Ton ) by mechanical transport i/c loading, unloading & mannual head carriage (If required) from departmental store at Mekhliganj T.E. Complex to the work site near Mekhliganj Bazar including all charges ie, labours for sorting of materials, marking of members, stacking and any other carriage cost involvement.

[The rate shall include loading , unloading and stacking at site for one time and transportation by road only].

SINHA ENTERPRISE