Construction of Groyance Bund and Dredging of Existing Channel of Bhatye-Rajiwada Creek, At Bhatye, Tal and Dist Ratnagiri

Amount

Item No.1:Taking trial bores 75 to 100 mm for 53.0 to 88.9 mm core dia over burden ( by diamond drilling machine ) such as soil of all \sorts, soft murum,hard murum and boulders and in soft rock including all materials such as casing pipes and accessories oil, grease, steel, rods, and such other materials as required (including conveying the material to site of work) . Preserving the loose sample in glass jar and core sample serially on site of work and conveying the same to HQ of concernring office as directed.

Item No.2 Taking trial bores 75 to 100 mm for 53.0 to 88.9 mm core dia in rocks as specified below including all necessary materials such as oil,grease,steel boostan and such other materials as required (including conveying the material to site of work) and Preserv

Item No.3 Providing and maintaining temparory platform for erecting boring machined in river bed to the depth of standing water 2 m and above and of size 3.50 x 4.00 M by using 20 Nos. of M.S. empty barrels in M.S. frame made of M.S. angle size 50 x 50 x 5 mm with fabrication and over it a jungle wood planks platform of size 3.50 x 4.00 x 0.03 M size including supplying of nylon rope 24 mm dia. for anchoring platform include passage platform and enganging a labour etc. complete. 2 m and Above.

Item No.4 Shifting boring plant with all its components and reinstalling the same at the directed place including all its charges etc. complete.

Item No.5 Providing tun tappa core boxes of jungle wood of size1.25mx 0.35x 0.15m for preserving core sample with all fixtures and fastening handles including locking arrangment etc . complete.

Item No.6 Providing detailed geological reports of proposed site by maintaining geotechnical investigation of structures tratification collecting soil, rock and ground water samples for laboratory tests to arrive the foundation design parameters. Rock properties such as type of rock, jointing fractures, etc. complete with suggestion about the site foundation and remedies.

Item No.7 Carrying of detailed topographic survey by using total station along the existing or new road including taking L-section and cross section at every 30 meter ROW ,taking at least 10 spot levels per cross section, picking up all existing details inside the

Item No.8 Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete. ( By Mechanical Means )

Item No.9 Supplying & laying trap stones upto 20 kg for Filter / Core layer including conveying with all leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments & machinery as directed by, etc. complete in tidal conditions. Note- 20% of Quantity consider for Shrinkage how ever Contracter shall perform shrinkage study from CWPRS/ IIT and ascertain the actual Quantity of Shrinkage

Item No.10 Supplying & laying trap stone weighing 20 to 150 kg for Core / Sub armour / Armour layer including conveying with all leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments & machinery as directed by, etc. complete in tidal conditions.Note- 20% of Quantity consider for Shrinkage how ever Contracter shall perform shrinkage study from CWPRS/ IITand ascertain the actual Quantity of Shrinkage.

Item No.11 Providing & laying trap stones weighing 150 to 250 kg for Core / Sub armour / Armour layer including conveying with all leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments & machinery as directed by, etc. complete in tidal conditions.Note- 20% of Quantity consider for Shrinkage how ever Contracter shall perform shrinkage study from CWPRS/ IITand ascertain the actual Quantity of Shrinkage.

Item No.12 Providing and laying trap stones weighing 300 to 500 kilogram for Sub armour / Apron / Armour layer including conveying with all the leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.Note- 10% of Quantity consider for Shrinkage how ever Contracter shall perform shrinkage study from CWPRS/ IITand ascertain the actual Quantity of Shrinkage.

Item No.13 Providing & laying trap stones weighing from 500 to 1000 kg for Apron / Armour layer including conveying with all leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments & machinery as directed by, etc. complete in tidal conditions.

Item No.14 Providing & laying trap stones weighing above 1000 kg and above for Apron / Armour layer including conveying with all leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments & machinery as directed by, etc. complete in tidal conditions.

Item No.15 Providing & laying precast tetrapods of P.C.C. of M-30 grade, weighing 2000 kg each of required shape for armour layer including necessary steel formwork/mould including applying form releasing agent including vibration, curing, conveying & placing them in correct profile as per drawing including all labours, materials, equipments, machinery such as crane of adequate capacity & boom length, with all lead & lift, etc. complete in tidal conditions.

Item No.16 Providing and laying pre cast tetrapods of plain cement concreteofM-30 grade,weighing 4000 kilo gram each of required shape for armour layer including necessary steel formwork/ mould including applying form releasing agent including vibration, curing,conveying and placing them in correct profile as per drawing including all labours, materials, equipments, machinery such as crane of adequate capacity and boom length, with all lead and lift etc. complete in tidal conditions.

Item No.17 Providing and laying precast tetrapods of plain cement concrete of M-30 grade,weighing 8000 kilogram each of required shape for armour layer including necessary steel formwork/mould including applying form releasing agent including vibration curing conveying and placing them in correct profile as per drawing including all labours materials equipments machinery such as crane of adequate capacity and boom length with all lead and lifts in tidal condition.

Item No.18 Providing and laying of reinforced cement concrete in M-30 grade approach slab including reinforcement and formwork complete with fully automatic micro processor Programmable Logic Control with Supervisory Control and Data Acquisition enabled reversible Drum Type mixer / concrete batch mix plant (pan mixer) as per drawings and technical specifications excetra complete with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc ) (using ARTIFICIAL SAND).

Item No.19 Supplying & spreading geofabric filter layer of Geotextile of Polypropylene multifilament woven to line, level & grade with pore size less than 0.075 mm & permeability greater than 9.0 lit / sqm / IInd confirming specification IS:1969 & ASTM standard including conveying to site, joining & stitching with proper overlap & laying at excavated surface in tidal condition as directed by Engineer- in- Charge, etc. complete

Item No.20-:Dredging at the navigation channel of Rajiwada, Dist. Ratanagiri by suitable dredging equipment, to dredge a navigation channel of as mentioned above to achieve a assured depth of 2.5 meters at specified area, along with slope of 1:4 & tolerance 0.3m as mentioned in hydrographic chart The dredger should be capable of dredging all type of soils, silt marine soft/stiff clay loose boulders, pebbles etc. in fair weather. The cost should include all lifts and leads conveying and deposition of the same over dumping area located at an average distance of approx. 22 Km in deep sea. This further includes all necessary arrangements of crew, fuel oil, tools, plants, equipment, machinery and labor along with accessories assembling, mobilizing & demobilizing all plant and equipment required with cost of pre and post dredging survey, monthly hydrographic survey etc. to the complete satisfaction of the Engineering Deaprtment, MMB. Pre and post bathymetric survey shall be done from hydrographer MMB and payment shall be made from contractor to MMB for survey. Quantity shall be work out on the basis of bathymatric survey.

Item No.21 -:Removing sub-marine rock below low tide level to the specified section from navigation channel of Rajiwada, Dist. Ratanagiri as per the area and depth mentioned on the drawing by mechanicel means with poclain,hydraulic excavator, rock breaker etc. and barge for establisment all machinery with all required tool tools and equipments, boat for conveying excavetd material,including removing the excavated materials with all lift and leads as directed beyond high tide level line of water stacking spreading or disposing,dewatering if required unless other wise provided alse where complete under tidal condition. Conveying and deposition of the excavated Material dumping area located at an average distance of approx. 22 Km in deep sea, Include all lifts and leads . This further includes all necessary arrangements of crew, fuel oil, tools, plants, equipment, machinery and labor along with accessories assembling, mobilizing & demobilizing all plant and equipment etc. to the complete satisfaction of the Engineering Deaprtment, MMB.Pre and post bathymetric survey shall be done from hydrographer MMB and payment shall be made from contractor to MMB for survey. Quantity shall be work out on the basis of bathymatric survey.

Item No.22 Navigational Channel Marking Buoy: Navigational Channel Marking Buoy, manufactured from UV stabilized Virgin Polyethylene, specially designed to withstand the Harsh Marine Environment. The color pigment added to the material during moulding process, foam filled with highly buoyant closed cell polyurethane with top marks and lights as per IALA recommendations

Item No.23 Supply, Installation and Commissioning of nw navigation solar marine lantern on top of becaon as per Following details Colour: White Range :10NM Horizontal Output:00-3600 Nominal voltage: 12VDC Autonomy : 20days at Least Battery capacity: 1000Ah Body material: Virgin Polyethylene Warranty: 02 Yrs. Available Flash Characteristics: Asper IALA recommended (user adjustable)

Quality control Test.

Item No.24:- Preparing Concrete Mix design of required grade & laboratory testing of concrete cubes and verious materials used during construction in District Vigilance & Quality Control Laboratory or as per approved Laboratory etc complete

a)Stone / Rubble-Crushing Value / Compressive Strength, Water Absorption, Specific Gravity Test for Stone / Rubble

b)Concrete-Compressive Strength of Cement Concrete Cube(3set of cubes)

c)Concrete Mix Design (with all tests on basic materials)

d)Aggregate-Sieve Analysis Test

e)Water Absorption, Specific Gravity, Impact Value, Crushing Value Test for Aggregate

f)Flekiness Index / Elongation Index Test for Aggregate

g)Fineness Modulus (Sieve Analysis), Silt and Clay Content Test for Fine Aggregate

h)Standard Consistancy, Fineness, Specific Gravity, Setting Time (Initial and Final), Compressive Strength, Soundness Test for Cement

Item No 25:- Payment Of Roylty charges

A)Trap Metal

M/s. R B Chavan (BID ID -7039391)