Repairing of damaged Approach Road to Adit II of Umrong WCS under KHEP NEEPCO Ltd Umrongso Dima Hasao Assam

Amount

Surface Drains in Ordinary Rock (Construction of unlined surface drain of average cross sectional area 0.4 Sqm in ordinary rock to specified lines, grades, levels and dimensions as per approved design and to the requirement of clause 301 to 309. Excavated to be used in embankment at site.) (A) Mechanical Means.

By Mix and place method (Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per Cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) (i) For grading - I material

Water Bound Macadam (Providing,laying,spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness,hand packing, rolling with vibratory roller 8 - 10 tonnes in stages to proper grade and camber, applying and brooming with requisite type of screening/binding materialto fillup the interstices of coarse aggregate, watering and compacting to the required density) (with an initial lead of 5.0 KM). (A) By Manual Means. (ii) Grading - II. (c ) Using screening Type-B(11.2 mm Agg.)

Excavation in ordinary rock by manual means (a) (Excavation in ordinary rock using manual means including loading in a truck and carrying of excavated material to embankment site with in all lifts and leads upto 1000 metres )

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 mix with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Labour for laying Reinforced cement concrete pipe NP4/NP3/prestressed concrete pipe for culverts on first class bedding of granular material /cc M-15 in double row including fixing collar with cement mortar 1:2,and cost of granular bedding but excluding excavation, protection works, backfilling, concrete and masonry work in head wall and parapet,cost of pipe and cost of CC bedding. With 1st class bedding of cc M-15. 1000 mm dia

Stone masonry work. Uncoursed rubble masonry work in all retaining wall, wing wall, abutement etc. in cement mortar 1;6 withoutside face stone roughly hammer dressed and inside (earthen side ) undressed as per drawing and technical sopecifications including racking out joints and curing, supplying and carriage of stone as directed.

Aakar Infra Engineers Pvt Ltd

DESHO DAOLAGUPU

Jimburaj Jidung

VS MANGA CHANGSAN

AYUSH ENTERPRISE