Improvement of road from Mawai Jn. (BRTF) to Tarong- Nambashi (NH 102) road new Jn.

Amount

SH:- Earthwork in formatiom widening

Excavation in Hill Area in soil by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead upto 50 metres.

Excavation in hilly area in ordinary rock not requiring blasting by mechanical means including cutting and trimming of slopes and disposal of cut material with all lift and lead upto 50 metres.

Excavation 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 upto 1.5 m including getting out the excavated soil as directed within a lead of 50 metres in a) Hard/Dense Soil

Excavation as foundation trenches or drains not exceeding 1.50m in width or 10 sqm on plan including dressing of sides and ramming of bottoms lift upto 1.50m including getting out the excavated soil as directed within a lead of 50 metres in (a) Ordinary Rock

SH :- Providing and laying of GSB, WBM & Premix carpeting

Preparing sub-grade by excavating earth upto 22.5 cm deep, dressing to camber and consolidating with road roller including disposal of surplus earth within 50m.

Providing laying & compacting granular base/sub-base according to lines, grades& cross-sections by using naturally occurring sand gravel/conforming to IRC Grade 2 of M.O.S.T. specification free from organic or other deleterious constituents compact by rolling with power roller of 8 to10 tonnes capacity in layers not exceeding 150 mm (spread thickness)including rolling of the road surface to proper level & grade 30 cm width edging on both sides etc. complete as directed by the Engineer-in-charge. ( i/c carriage charge of all materials)

Providing and laying one layer W.B.M. 7.5 cm consolidated thickness using 1 cum of stone aggregate conforming to IRC Grades per 10 sqm of road surface & 0.23cum of binder materials of approved quantity per 10 sqm of road surface including consolidating of the same, rolling of the surface to camber, superelevation & grade by using template straight edges & spirit level in layers not exceeding 100 mm to 130 mm thick (spread thickness), dry & wet rolling with 8 to10 tonne roller including earth edging 30 cm width on both sides & applying binding materials as specified i/c carriage charge of all materials i) I.R.C. Grade -II

ii) I.R.C. Grade -III

2 cm consolidated thick single coat pre-mix carpet surfacing with 0.27 cum stone chipping 12.5 mm size 0.18 cum and 10 mm size 0.09 cum mix with 14.6 kg of binder per 10.00 sqm of road surface and rolling complete including a seal coat IRC type "B" with 0.06 cum of stone chipping 6.3 mm nominal size and 6.8 kg of bitumen 80/100 per 10.00 sqm of road surface.Providing & applying evenly a priming/tack coat with bitumen (80/100). (a) 10 kg/10sqm

Construction of RCC Ring Culvert NP3 900mm dia. 17 Nos.

Earth work in excavation in foundation trenches or drains including dressing of sides and ramming of bottoms lift upto 1.5 metres including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50 metres (a) Hard/Dense Soil.

Providing and filling in foundation trenches and at the back of abutments, wing walls etc. and below pipe bed in layers not exceeding 150 mm thick including watering and compacting including all lead and lifts. c) Filter behind abutment, wing and return wall.

Cement concrete 1:4:8 mix with stone aggregate 40 mm nominal size in foundation upto a depth of 1.5 m below ground level and upto a height of 1.5m. above ground / bed level.

RR Masonry (uncoursed) in cement mortar 1:3 in foundn.upto a depth of 1.5m above ground/bed level.

12mm thick cement plaster 1:3 (1 cement : 3 c/ sand).

Laying reinforced cement concrete pipes N.P. -3 for culverts including pointing ends and fixing collar with cement mortar 1:2 (a) 900 mm dia.

MINGYAO RUINANAO

C.L. Athot