Construction of 40 meter high ground based NBFL tower including foundation , erection, painting and allied work at Shikaripara, Dist Dumka.(BA Dhanbad)

Amount

Sub Head : Earth Work

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed.

a) All kinds of soil

Extra for every additional lift of 1.50m or part there of :

a) All kinds of soil.

b) Ordinary or hard rock.

Earth work in excavation over areas (exceeding 30cm in depth . 1.5m in width as well as 10 Sqm on plan ) including disposal of excavated earth , lead upto 50m and lift upto 1.5m ; disposal earth to be levelled and neatly dressed .

a) Ordinary rock

b) Hard rock ( blasting prohibited )

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m.

Sub Head : Cement Concrete Work

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 : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size)

b) 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Sub Head : Reinforced Cement Concrete work

Providing and laying in position specified reinforced cement concrete, excluding the cost of centring, shuttering , finishing and reinforcement - All works upto plinth level.

a) 1:1.5:3 (1 cement:1.5 coarse sand:3 graded stone aggregate 20 mm nominal size)

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

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

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

c) Columns, pillars, Piers, abutments, posts and struts.

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

RCC work smooth finishing of exposed surface with 6 mm thick cement moratar 1:3 ( 1 cement : 3 fine sand )

Sub Head : Brick Work.

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 5.0 in foundations and plinth in :

a) cement mortar 1:4 (1 cement : 4 coarse sand)

Sub Head : Steel Work.

Labour Charges for arranging and fixing the anchor bolts in position during concreting (base plate and anchor bolts supplied by the department at free cost).

Labour Charges for erection and fixing of tower members as per standard / approved drawing, schedule including tighting of nuts, bolts, washers, with propers tools and plants, fixing of antenna fixture cable tray platform and railing and ladders of all complete i/c sorting of the tower material as per direction of Engineer In-Charge.

a) On 40 mtr Tower

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.

Providing and fixing pole mount of approved size i/c welding of its top and bottom bore by 5 mm thick plates including applying priming coat of approved steel primer. (5 mm thic plate will be paid in basic item)

a) G.I. pipes

Sub Head : Finishing work

Neat Cement punning

Applying two or more coats of high gloss synthetic enamel paint of approved brand and manufacture and of required shade and pattern over and including one or more base coats of zinc chromate primer of approved brand and manufacture on 40 meter high tower all complete as per direction of Engineer-in-charge.

a) On 40 metre Tower.

Sub Head : Allied Work

Carriage of tower materials including anchor bolts and templates by mechanical means from BSNL store to the tower site including loading, unloading and stacking all complete as per the direction of Engineer-in-charge, from BSNL store at RTTC Ranchi upto various sites in Jharkhand. (i) Steel Tower

(a) Up to distance of 5.00 Km.

(b) Beyond 5.00 Km to 10.00 km. Distance

(C) Beyond 10.00 Km to 20.00 km. Distance

(d) Beyond 20.00 Km per additional KM

Sorting of tower material of 40 mtr. Tower of weight 8 to 9 MT. from telecom store (This includes confirming of tower material , arranging the members including making detailed members information complete as per direction of Engineer in charge)

RATAN MAHTO