NIT 1174 Renewal / Strengthening Road Under MMGSVY PKG No MMGSVY SB-M-01, District-Sarngarh

Cutting of branches of trees shrubs and trimming of grass and weeds.Trimming of grass and weeds from the shoulder/berms and disposing off the same to suitable locations as per technical specification clause 1914.

Dismantling Stone Masonry Dismantling Stone Masonry as per Technical Specification Clause 202. Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (B) Cement Concrete

Restoration of Rain Cuts Restoration of rain cuts with soil, moorum gravel or a mixture of these , clearing the loose soil , benching for 300 mm width laying fresh material in layers not exceeding 250 mm and compaction with plate compactor or power rammer to restore the original alingement , level and slopes as per drawings and techinical specification Clause 1902

Construction of unlined surface drains of average cross-sectional area 0.40 Sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift up to 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307.

Scarifying Existing Granular bituminous Surface to a Depth of 100 mmScarifying existing granular/bituminous surface upto a depth of 100 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406.

Construction of subgrade and earthen shoulders with approved material (Granular material having CBR not less than 10) obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 as per Technical Specification Clause 303.1.

Prime coat1 with low porosity:--Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70- 1.0 kg/sqm using mechanical means as per Technical Specification Clause 502..

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

20mm thick Open-Graded Premix Carpet using Bituminous (VG/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of aggregate 13.2mm size (passing 22.4mm size sieve & retained on 11.2mm sieve and 11.2mm size (passing 13.2mm sieve and retained on 5.6mm sieve) either using penetration grade/ VG bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508., Viscocity grade (VG) Bitumen specification as per IS 73:2006

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510, Viscocity grade (VG) Bitumen specification as per IS 73:2006

Cautionary, mandatory, informatory direction and place identification sign boards. Semi-Reflective Traffic signs upto 0.90 sqm Direction and place indentification

Providing typical PMGSY informatory & Logo Board as per approved drawing& Specification ,painted with enamel paint on both side of board , lettering , figuring , printing arrows , borderr etc with ready mix synthetic enamel paint of superior quality in required shed & colours . (ii) PCC / RCC

Providing and fixing 'Citizen Information Board' of PMGSY Project (A) Providing and fixing of typical " PMGSY Citizen Information

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703

Providing and fixing guard stones 200 x 200x 900 mm made of precast RCC M20 grade fixed at 300 mm into the ground in P.C.C. 1:3:6 blocks of size 400 x 400 x 400 mm and given two coats of paint with white and black bands including excavation.

Earthwork in excavation for structuresas per drawing and technical specifications Clause 305.1 including seting out, construction of shoring and bracing, removal of stumps and othar deletercus material and dis posal upto a lead of 50m dressing of sides

(II) Ordinary rock (not requiring blasting) i. Upto 3 m depth

Providing and laying reinforced cement concrete pipe NP3 for Culverts/ Burried conduits on first class bedding of granular material including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106. 600mm dia

Bedding for Causeway / pipes Type B (First Class) Bedding Laying (First Class) bedding on well compacted sand, moorum or approved granular material as per Clause 1105

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 I. P.C.C grade M 10(Nominal mix (1:3:6)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 II. P.C.C grade M 15(Nominal mix (1:2.5:5)

Laying Reinforced Cement Concrete Pipe NP3 as per drawing and technical specification Clause 1402.6 Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.(B)1000 mm dia

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5, (II) R.C.C M 25 (Design mix)

Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing weepholes in brick masonry/stone masonry, plain/ reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8, (I) Granullar material

Providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification Clause 1204.3.8

Providing and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans, covered with sealant complete as per drawing and technical specifications

Providing and fillling joint sealing compound as per drawings and technical specifications with coarse sand and 6 per cent bitumen by weight.