Dam Rehabilitation and Improvement work of Retam Barrage. (DRIP)

Amount

Retam Barrage Project at Retam River Dam Rehabilitation and Improvement Project (DRIP -II)

Medium shrub jungle (25% to 50% area covered by shrubs) clearance involving removal of grass, shrubs, bushes and twigs including rooting out & disposal etc. complete.

30 cm thick dry stone pitching without quarry spall with individual stone of 30 cm depth and minimum size 0.021 cum complete.

Providing chainage cum boundary, stone (as per type design no 4 of WRD)

Fixing chainage cum boundary stone, as per type design no 4 of WRD in M-7.5 cement concrete with 40 mm graded aggregate including excavation (any strata), handling and fixing of stone, curing etc. complete.

Painting chainage cum boundary stone as per (type design no 4 of WRD) with enamel paint and figuring and labelling with black paint including cost of paint brushes etc complete

Excavation in all kind of soft/loose/hard/dense soils, moorum & moorum mixed with boulders and mud including dressing, placing the excavated soil neatly in specified dump area or disposing off the same as directed, including cost of site clearance, all materials, machinery, labour and dressing etc. Complete.

Providing and laying M-20 grade Reinforced Cement Concrete Design Mix using graded aggregate clean, hard for foundation filling and sub structure including cost of all materials (excluding cost of providing and placing reinforcement steel/bars ),machinery, reinforcement steel/bars ),machinery, mixing, placing in position, levelling, vibrating, finishing, curing ,packing joints of shuttering etc. complete. Using graded aggregates of maximum size:- 40mm

Providing, fabricating and placing in position steel reinforcement bars for Reinforced cement concrete / Plain Cement Concrete structures including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, lapping / welding joints wherever required, tying with 1.25 mm diameter soft annealed steel wire etc. Complete.

Providing 20 mm thick cement mortar plastering in CM 1 : 3 proportion by volume in two layers including cost of all materials, labour, scaffolding, raking and cleaning, joints / surface, batching and mixing mortar, smooth finishing, curing etc. complete.

Providing and laying vitrifing floor tiles in different size with water absorptions less than 0.08 % and conforming to I S : 15622 of approved make in all colors and shades laid in 20 mm thick cement mortor 1:4 ( 1 cement : 4 sand) including grouting the joints with white cement and matching pigments etc. complete Size of tiles 500 x500 x9 -10 mm

Crusher Run Macadam Sub Base/Base Course surface by hauling vehicles, spreading and mixing with a motor grader, watering and compacting with a vibratory roller to clause 410 to form a layer of sub-base/Base in accordance to Table No.400-14, 400-15 and as per clause of section 407 of specifications.(ii) For 37.5 mm maximum size

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 mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve prepared surface and compacting with vibratory roller to achieve and as per clause of section 406 of specifications

Prime coat Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.75 kg/sqm using mechanical means as per clause 502 of specifications.

Providing and applying tack coat with catonic bitumen emulsion (RS-1) using emulsion pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom and as per relevant clauses of section-503 of specifications (ii) @0.30 kg per sqm (dry & hungry bituminous surfaces /granular surfaces treated with primer)

Bituminous Macadam -Providing and laying bituminous macadam using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction and as per clause 504 of specifications b) Using Batch mix Plant of appropriate capacity and Paver Finisher Hydraustatic with Sensor control (i) for Grading I (40 mm nominal size ) bitumen content 3.4%

Open - Graded Premix Surfacing Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back 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 smooth wheeled roller 8-10 tonne capacity, finished to required level and grades all complete as per clause 510 of specification. (i) Case - I: Mechanical method using Penetration grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour.

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 and B seal coats all complete as per clause 511 of specification. (ii) Case - II : Type B (Providing and laying of premix sand seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chipping 6.7 mm size and penetration bitumen of suitable grade. all complete as per clause 511 of specification.

Finishing wall with Acrylic smooth exterior paint of required shade NEW work (Two coat)

Finishing walls by any mechanical or manual means with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications : Painting steel work with Deluxe manufacture paint to give an even shade Two or more coat applied @0.90 ltr/10 sqm over and under coat of primer applied @0.80 ltr/10 sqm of approved brand or manufacture

Providing and fixing in position railling consisting of IS Rolled steel joist posts designagion IS MB 100 (100 x 75) 2.5 M interval and 3 rows of 50 MM dia GI pipes (Type - A) including fixing in position on bridge deck complete with all lead and lift for all material as per drawing and specification MPRRDA

Providing and fixing V notch

Providing and fixing of sign board

Repairing of lighting arrangements including all accossories and fixing

Provision for fixing of gauges for measuring the water level

Prepare the gate operation manual for Retam Barrage System

Provision for geological survey work