WIDENING OF CULVERT AND ROAD LEADING TO NEW NCS(E) MD ACCN AT AF STATION DARBHANGA

Amount

M&L for procuring and bringing approved soil (Earth) for filling from out side of MOD land to any distance complete all as specified and as directed.

Forming embankments including raising (or lowering) earth, spreading in layers not exceeding 30 cm thick, watering, ramming/rolling and finishing to required size, shape, etc. not exceeding 1.5m high from base complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in soft / loose soil complete all as specified and as drected.

Add to (or deduct from) last item for every 3 cm or part thereof above or below 15 cm average depth complete all as specified and as directed.

M&L for 150 mm spread thickness soling (or subbase) with broken boulders or quarried stone, interstices filled, surface formed and rolling with power roller exceeding 8 tonne and not exceeding 12 tonne complete all as specified and as directed.

M&L for 150 mm thick in two layer (consisting of each layer 75 mm thick compacted thickness) WBM, with (garnite, trape or basalt) coarse aggregate of grading 2 (63 to 40 mm size) for first layer and grading 3( 50 mm to 20 mm ) for second layer, spread, rolled and consolidated to gradient and camber required by using power roller exceeding 8 tonne and not exceeding 10 tonne complete all as specified and as directed.

M&L for preparation of unsurfaced water bound macadam top surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a primer tack coat with bituminous primer using paving bitumen of grade VG-10 at 10 Kg per 10 sqm complete all as specified and as directed.

M&L 75 mm or less consolidated thickness premix bituminous macadam using binder paving bitumen grade VG-30 at the rate of 4% of total mix weight by using Hot mix plant for mixing and mechanical paver for laid/rolled and compacted with 8 to 10 tonne power roller to required gradient and camber complete all as specified and as directed. Note:- (i) Work shall be executed as per approved design mix from NABL Govt approved lab /Govt Engg College as decided by GE. (ii) Any variation in binder content during design mix at site on plus side shall be borne by the contractor without any extra cost to the Government.

M&L preparing of existing old black top surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a tack coat with bituminous primer using paving bitumen of grade VG-10 @ 5 Kg per ten square metre complete all as specified and as directed.

M&L Providing bituminous premix semi dense asphaltic concrete 30 mm consolidated thickness with minimum 5.5 % binder content by weight of total mix, using paving bitumen VG-30 using hot mix plant and laid by using mechanical paver, rolled and compacted with 8 to 10 tonne power roller to required camber and gradient complete all as specified and as directed. Note :- (i) Work shall be executed as per approved design mix from NABL Govt approved lab /Govt Engg College as decided by GE. (ii) Any variation in binder content during design mix at site on plus side shall be borne by the contractor without any extra cost to the Government.

M & L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like on roads pavements with hot applied thermo plastic road marking paint (Retro reflective type) of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and as directed. Note:- (i) Road marking work shall be carried out in accordance with manufacture's instructions and as specified. (ii) Refer MORTH specification of Para 803.4.2.1 and 800.4.2.2 on bituminous surface in white colour or yellow colour and super imposed with glass beads confirming to BS 6088 and MORTH specification Para 803.4.3.3

S&F of cat eye reflectiv type of metal body alloy of size 100mmx100mmx20mm with PAMA striplens reflector of model No DA 972.0 fixed with and including mild steel stud of suitable size complete all as per manufacturer's instruction complete all as specified and directed.

S&F of metal tubular delineators (ISI marked) made out of ABS round body fitted with 02 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green , red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflectors protection including embedding in PCC 1:2:4 type B-1 using 20 mm graded stone having size 150mmx150mmx300mm complete all as specified and as directed.

Demolition of brick work or stone/boulder masonary built in cement mortar including all quoins, arches, pillars etc complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation etc or for shafts, wells, cesspits, pier holes etc not exceeding 10 sqm on plan and getting out in soft /loose soil complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 m in depth for foundation etc or for shafts, wells, cesspits, pier holes etc not exceeding 10 sqm on plan and getting out in soft /loose soil complete all as specified and as directed.

M&L cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate as in foundation, filling and mase concrete complete all as specified and as directed.

M&L Brick work with sub class 'B' bricks straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 complete all as specified and as directed.

M&L 15mm thick rendering in cement mortar 1:4 on brick work or concrete surfaces of walls, surface finished even and fair complete all as specified and as directed.

M&L applying two coats of cement base paint over a coat of cement primer including preparation of newly plastered surfaces of walls complete all as specified and as directed.

M&L cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in coping, bands, plinth course, benching and other similar works including necessary use and waste of form work complete all as specified and as directed.

S&F 600 dia bore Reinforced concrete drain pipes, class NP-2 laid and jointed in cement and sand mortar 1:1 with collors complete all as specified and as directed.

Returning, filling in,including. Spreading, levelling, watering and well ramming in layers not exceeding 25 cm as in soils complete all as specified and as directed.

Removing surplus soil to a distance not exceeding 50 m and depositing where directed at a level not. exceeding 1.5 m above starting point complete all as specified and as directed .

Sabitri Jhunu Enterprise (BID ID -3139218)

m/s maa kamakhya engineering & consultancy (BID ID -3139354)