Construction of Drainage and Road from Jawahar Navodya School to Siwane River Bridge, Village- Bonga, Panchayat- Bonga, Block- Ichak, District- Hazaribag

Clearing grass and removal of rubbish up to a distance of 30 M outside the peripery of the area as per technical specification clause 201. S.O.R. Item NO. 2.02

Compacting original ground supporting subgrade (Loosing of the ground up to level of 500 mm below the sub grade level , watered, graded and compacted in layers to meet requirement of table 300-2 for sub grade construction.) S.O.R. Item No. 3.2 Case-i

Construction of subgrade and earthen shoulders (construction of sub grade and earthen shoulders with approved materials obtained from borrow pits with all leads and lifts ,transporting to site ,spreading , grading to required slope and compacting to meet requirement of table 300-2 S.O.R. Item no.3.18

Excavation in soil using hydraulic excavator CK 90 and tippers with disposal upto 1000M (Excavation for road work in soil with hydraulic excavator including cutting and loading in tippers,trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000 M ) S.O.R.Item no.3.06

Granular sub base with coarse graded material (table:-400-1) 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 front end loader at OMC, and compacting with vibratory roller to achieve the desired density .complete as per clause 401. With gading-1 material S.O.R.Item no.4.01(i)

construction of un reinforced .dowel jointed at expansion and construction joint only , plain cement concrete pavement ,thickness as per design ,over a prepared sub base with 43 grade cement or any other type as per clause 1501 2.2 M30 (Grade),coarse and fine aggregates conforming to IS:383 maximum size of coarse aggregate not exceeding 25 mm ,mixed in aconcrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design laid in approved fixed side form work (steel channel ,and fixing of 125 micron thick polythene film, wedges,steel plates including levelling the form work as per drawing),spreading concrete with shovels , rakes, compacted using needle,screed and plate vibrators and finished in continious operation including provision of conctraction and expansion, construction joints applying debonding strip primer, sealant, dowel bars near approaches to bridge/culvert and construction joints , admixtures as approved , curing of concrete slabs for 14 days using curing compound (where specified) and water finishing lines and grade as per drawing and technical specification clause 1501

Kilometer stone (Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:-8-1980, fixing in position including painting and printing etc.) Ordinary kilometre stone (precast) S.O.R Item no.8.14(ii)

Direction and place identification signs with size more than 0.9 sqm size board.(providing and erectimg direction and place identification retro-reflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium composite material sheet with overall thickness of 4 mm with area exceeding 0.9 sqm fixed over back support frame of min 40x40x5 mm angle mounted on two no of mild steel circular pipe 65 NB, 3.2 mm thickness and 4.5m total height firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45cmx45cmx60cm, 60cm below ground level as per approved drawing.) For the information at the of the road. S.O.R.Item no.8.06

Retro-reflectorised Traffic signs (providing and fixing of retro- reflectorised cautionary,mandatory and informatory signs as per IRC:67 made of encapsulated lens type refleting sheeting vide clause 801.3, fixed over aluminium sheeting , 1.5mm thick supported on a mild steel aangle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmx45cmx60cm, 60cmm below the ground level as per approved drawing) 60cmx45cm rectangular for villages and others. S.O.R.Item no.8.04 A(xii)

For turnings 60cm equilateral triangle S.O.R.Item no.8.04 A(iv)