Palashbari and Gumi/Guwahati West (Palashbari and Gumi) subproject (at Siminia area, Makadhuj Area to Futuri, Dakhala (Kalitapara), Guimara and Adaptation Works) underwater riverbank protection works (Section 1) and above water riverbank protection

Amount

A. CIVIL WORKS SECTION 1: Underwater works and temporary slope protection works

Excavation of specified silt from flood plain or adjacent chars, within a distance of 2000m of the work site and filling geo-bags of size 1.03M x 0.70M with silt, Weighing the same, for each silt filled bags to weigh 126 kg after filling, stitching the mouth of the filled bags with polypropylene or polyester thread by power driven double needle machine as per drawing and technical specification, stockpiling the same in batches of 100 for easy counting and carrying the same and unloading in the work site or in the dumping pontoon / barge stationed in the work site by engine boat including all loading and unloading, handling charges and any local carriage within a distance of 250m including all lead and lift etc. complete as directed. (Geo bags and polypropylene thread will be supplied by the Dept. free of cost.)

Dumping of sand/silt Geo-bags from properly positioned and anchored flat top pontoop / barge over an area specified by bathymetric survey for uniform area coverage along the bank line upto the designed length towards making a provisional falling apron at the end of the section away from bank line including loading, unloading, sequential stacking on the pontoon / barge including mobilisation of all necessary equipment etc. complete as per technical specification and approved design and contractor's method statement, the pontoon (minimum length-30m) position shall be monitored by RTK-GPS or Total Station upto a accuracy of + 10cm and a minimum 30m long barge / pontoon and should cover at least an area of 30m x 20m per working day including the provisional falling apron as per design and technical specification and direction of engineer-in-charge, as per the specification

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed (sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) With Engine Boat

Filling and laying of Geo bags type-C of size 1.5m X 1.0m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 330 Kg and minimum volume 0.221 cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed. (sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) With Engine boat

Carriage of Geo Bags type-C of size 1.5x 1.0 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Carriage from Central Material Bank Godown under Executive Engineer, Guwahati East Water Resources Division, Opposite to Assam Water Centre, Basistha, Guwahati, District-Kamrup (Metro), Pin-781029, State- Assam, India upto worksite

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Carriage from Central Material Bank Godown under Executive Engineer, Guwahati East Water Resources Division, Opposite to Assam Water Centre, Basistha, Guwahati, District-Kamrup (Metro), Pin-781029, State- Assam, India upto worksite

Collection & Supply of blasted boulder of size 23cm. to 30cm in average and minimum weight 30Kg having (i) specific gravity not less than 2.65 and Materials properties of conforming to IS 2386 part III & IV 1963 and Free from dust, dirt and other foreign materials including local carriage and stacking in regular measurable stacks of approximate 1(one) m. height at site, payment of forest royalty, etc. complete as directed(10% under sized boulder is allowable for packing/filling the gaps occurred during execution of works) .(15% deduction will be made from the stack measured quantities on account of void).

Local carriage of boulder, metal, gravel/sand etc. from the approachable site beyond 150m and up to 3.00Km from the work site including loading from stack and unloading at work site with 10 (ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Preparation of stack yard of boulder/metal etc. including cutting light jungles and removing the same to a safe distance, levelling the ground, filling up depressions etc. complete as directed

Labour charge for loose dumping boulder of 23cm. to 30cm. size in loose in eroded portion of riverbank/ bed including handling charge and including site carriage of boulder from stack yard/ dump site within a distance of 150 m. etc. complete as directed. With Engine Boat

Items for Temporary Protection Measures of Bank as Directed by the Engineer

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Carriage from Central Material Bank Godown under Executive Engineer, Guwahati East Water Resources Division, Opposite to Assam Water Centre, Basistha, Guwahati, District-Kamrup (Metro), Pin-781029, State- Assam, India upto worksite.

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed (sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) A) Without Boat

SECTION 2: Above water works with permanent riverbank revetment works

Medium Jungles: Clearing medium jungles and trees upto 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. (When 30% to 60 % of the area is covered by shrubs, trees etc.)

Cutting bamboo, uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge. complete as directed.

Supply of Galvanized Wire Netting Sheet made of 8 SWG wire 152mm square mesh in sheet 2.57m × 1.66m with longitudinal wire at 152 mm centre and 76mm projection of each wire on all sides beyond the net size of 2.42m × 1.5m having knots of 12 SWG at every joints, weight of each sheet should not be less than 6.3 Kg/sheet.

Earthwork in bank trimming to the designed section /slope by manual means including removing the trimmed soils to a minimum distance of 30 m, complete as directed.

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity 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 with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.

Earth work in excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance as directed. For lead up to 50 m and all lifts. Normal Soil

Collection and supply of River silt by truck carriage free from debris and other foreign material, etc. Complete as directed. By mechanical means. For initial upto 1.00 km & for all lifts.

Collection and supply of River silt by truck carriage free from debris and other foreign material, etc. Complete as directed. By mechanical means. For beyond initial 1 km & upto 10.00 km & for all lifts. Considering another 1 km beyond initial 1 km

Filling and laying in cage with sand/silt filled Geo bags of size 1.03m X 0.70m excluding excavation of specified sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling ,double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly. in cages made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Geo Bag, Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed (sand/silt, geo-bag and Polypropylene thread will be supplied by the department free of cost) A) Without Boat

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Carriage from Central Material Bank Godown under Executive Engineer, Guwahati East Water Resources Division, Opposite to Assam Water Centre, Basistha, Guwahati, District-Kamrup (Metro), Pin-781029, State- Assam, India upto worksite

Collection & Supply of blasted boulder of size 23cm. to 30cm in average and minimum weight 30Kg having (i) specific gravity not less than 2.65 and Materials properties of conforming to IS 2386 part III & IV 1963 and Free from dust, dirt and other foreign materials including local carriage and stacking in regular measurable stacks of approximate 1(one) m. height at site, payment of forest royalty, etc. complete as directed(10% under sized boulder is allowable for packing/filling the gaps occurred during execution of works) .(15% deduction will be made from the stack measured quantities on account of void)

Labour charge for loose dumping boulder of 23cm. to 30cm. size in loose in eroded portion of riverbank/ bed including handling charge and including site carriage of boulder from stack yard/ dump site within a distance of 150 m. etc. complete as directed. Without Boat

Local carriage of boulder, metal, gravel/sand etc. from the approachable site beyond 150m and up to 3.00Km from the work site including loading from stack and unloading at work site with 10 (ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Preparation of stack yard of boulder/metal etc. including cutting light jungles and removing the same to a safe distance, levelling the ground, filling up depressions etc. complete as directed

B. ENVIRONMENTAL MITIGATION AND MONITORING MEASURES

Provision for compensatory plantation (1:10) measures, monitoring and maintenance during construction period

Obtaining and submission of copies to Engineer all consents, permits, clearances, no objection clearances or NOCs, tree cutting permissions, and other relevant permits from various authorities before the start of construction

Disposal of existing old geo-bags and other materials used as temporary anti-erosion and flood protection measures, and disposal of all solid wastes during construction to designated locations and/or use of local municipal services (payable at completion of works)

Provision of all requisite facilities (i.e. drinking water supply, sanitation, domestic solid waste collection & disposal, fuel supply etc.) at construction camps.

Rehabilitation of borrow areas and other impacted lands in line with WRD guidelines and decommissioning of construction camp before handling over the subproject (payable at completion of works).

Traffic management at work sites (i.e. pavement markings, channelizing devices, arrow panels and warning lights) along with construction and/or strengthening of landing ghats for barges.

Water sprinkling for dust suppression, barricading, temporary noise barriers, and provision of personal protective equipment (such as boots, life-saving-jackets, etc.)

Air quality monitoring for PM2.5, PM10, SO2, NOX, CO, Pb

Noise levels monitoring for Noise levels in dB (A) for day, night, L10, L90, Lmax, Lmin

Surface water quality monitoring for pH, BOD, COD, TDS, TSS, DO, Oil and grease and other physio-chemical and biological parameters

Drinking water monitoring for pH, BOD, TDS, DO, Fl, Cl, As, Cd, MG, Mn, total coliform and other physio-chemical and biological parameters

Groundwater monitoring for pH, BOD, TDS, DO, Fl, Cl, As, Cd, MG, Mn, total coliform and other physio-chemical and biological parameters

Soil quality monitoring for NPK & heavy metals, grease and other baseline parameters

C. PROVISIONAL SUMS

Provisional sum amount for various activities, Implementation of biodiversity action plan and other biodiversity conservation and mitigation measures and others.

SHREE GAUTAM CONSTRUCTION CO. LTD.

Bhartia Infra Projects Ltd

MP AGARWALA PVT.LTD