Erection of Crash Barrier on road from SH-7 to Dudhsagar river in V. P. Dharbandora in Dharbandora Taluka. (Phase - II)

Providing and erecting a "Thrie" metal beam crash barrier comprising of following three factory made unites-viz. 1) Thrie Beam 2) Spacer Block 3) Vertical Post. The Thrie beam 3mm thick cold roll formed guard rail raw material Conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255 Mpa which is fixed by bolted connection to spacer block C-channel of size 75mmx150mm & 5mm thick, 54.6cm height spaced 2meter centre to centre, fixed to Vertical Post C-channel of size 75mmx150mm & 5mm thick cold roll formed section made from HR coils raw material conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255MPa, with 85cms free height above road or Ground level, and embedded to 115cms deep in cement concrete block of size 35cm*35*115cm of minimum grade M15 (1:2:4) or as directed by Engineer Incharge, assembled & fixed as per drawings of MORTH&H Circular No.RW/NH/33022/1/94-DO/III, dated 24/6/1994 & construction operation as per 811 or relevant MORT&H specifications for Roads & Bridge Works (latest edition). All fittings (bolts, nuts, fasteners, washers etc.) shall be conforming to IS:1367 & IS:1364 & galvanished by hot dip zinc coated process @0.55kg/m2 conforming to relevent IS specifications all etc.complete

Excavation for roadway in ordinary rock by deploying a dozer, 80 HP including cutting and pushing the cut earth to site of embankement upto a distance of 100 metres (average lead 50 metres), trimming bottom and side slopes in accordance with the requirement of lines grades and cross sections as per MORTH Specification 301 Mechanical Means

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Centering and shuttering including struttings, propping etc. and removal of formwork for a) Foundations, footings, bases for columns and mass concrete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggregate. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while layingpipes of approved the concrete of retaining wall,wing wall and earth retainig structure complete as directed by the Engineer in charge B) 75 mm dia

Refilling the pipeline / foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Disposal of surplus excavated material including by tipper truck within a lead of 2.oo Kms.

Supplying of laterite stone soling of size 150-200 mm size and murrum having P.I. Value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering and consolidation of binding material etc (Measurements shall be considered on finished item).

Providing and laying 50mm (consolidated tk) full grout using granitic or basaltic stone of specified grading at 6.00 cu.m. per 100 sq.m. grouting with hot bitumen straight run bitumen (or with such bituminous material of grade and type as specified by the Engineer-in - Charge) at 5.0kg. per sq. m. binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m. per 100 sq.m. including Providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 Cu.m. bucket capacity to the specified levels, grade and cross fall using Type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513.