Construction of Groynes and Dredging work at Mulgaon Tal. Shrivardhan Dist. Raigad.

Amount

Construction of Breakwater and Jetty at Mulgaon Tal. Shrivardhan Dist. Raigad.

Item No. 01:- Removing sand/ muck/ slush/ soil bellow low tide level to the specified section from navigation channel as per the area and depth up to 3.00 m from seabed by mechanicel means with, hyderaulic excavator, etc. and barge for establisment all machinery with all required 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 otherwise provided else where complete under tidal condition.

Item No. 02:- Removing sub-marine rock below low tide level to the specified section from navigation channel as per the area and depth mentioned on the drawing by mechanicel means wit hpoclain, 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 otherwise provided alse where complete under tidal condition.

Item No. 03:- 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.a) over burden 0 to 50 meter.

Item No. 04:- 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 Preserving the core sample serially on site of work and conveying the same to HQ of concernring office as directed. Quartzite with diamond drill with Nx Bit 0 to 50 metre

Item No. 05:- 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. 06:-Shifting boring plant with all its components and reinstalling the same at the directed place including all its charges etc. complete.

Item No. 07:- 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. 08:- 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 Row like electric telephone line , encroachments, structures etc. connecting all the primary total station control points by G.I.S.Bench marks level or whichever available with department using auto level and preparing Auto CAD plan by using above data taking out 1 set of black and white printout on 50 micron polyster film sheet A2 size and 2 sets of coloured printout on A2 size submitting soft copy all data on CD. Plain Terrain New Alignment

Item No. 09:- Providing detailed reports of the inspection logging of drilled hole by observing visual description of data as per depth, thickness of layer, type of sample, wash sample, bore recovery type of drill etc. complete.

Item No. 10:- Providing detailed geological reports of proposed site by maintaining geotechnical investigation of structure stratification 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. 11:- 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/manaualMeans )

Item No. 12:- Supplying and laying trap stones upto 20 kilogram for Filter / Core 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

Item No. 13:- Supplying and laying trap stone weighing 50 to 100 kilogram for Core / Sub armour / 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.

Item No. 14:- Providing and laying trap stones weighing 100 to 200 kilogram for Core / Sub armour / 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.

Item No. 15:- 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.

Item No. 16:- Providing and laying trap stones weighing 500 to 1000 kilogram for 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

Item No 17:- Providing and laying trap stones weighing above 1000 kilogram for 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

Item No. 18:- Providing and laying precast tetrapods/blocks of plain cement concreteofM-30 grade,weighing 2000 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 lift etc. complete in tidal conditions.

Item No. 19:- Providing and laying precast tetrapods/blocks of plain cement concrete of M-30 grade,weighing 4000 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 lift etc. complete in tidal conditions.

Item No. 20:- Providing and laying pre cast tetrapods/blocks of plain cement concrete o fM-30 grade,weighing 6000 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 lift etc. complete in tidal conditions.

Item No. 21:- Providing and laying in-situ M40 Grade unreinforced plain cement concrete pavement over a prepared sub base with 43 grade cement , coarse and fine aggregate ( natural sand/ VSI grade finely washed crushed sand) conforming to IS 383, using fine and coarse aggregates combined gradation as per Table 600-3 of MORTH Specification 2013, mixed in a batching and mixing plant/ non tilting mixer and Weigh batcher as per approved mix design, admixtures, transporting to site, spreading, laying with approved make paver, compacted and finished in a continuous operation, finishing to lines and grades as directed by Engineer-in-charge and curing by curing compound /by providing cement vata in cement Mortar 1:8 @0.6m X 0.6m centre to centre, admeasuring 80 mm at bottom and 40 mm at top with depth of 75mm and maintaining the same throughout curing period by any other method approved by Engineer-in charge.with reversible Drum Type mixer /concrete Batch mix plant (Pan mixer) etc. complete.

Item No.22:- Excavation for foundation in soft rock including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.

Item No.23:- Excavation for foundation in hard rock by blasting including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.

Item No.24 :- Providing rubble filling of trap stones for foundations including filling voids with sand/grit and compaction etc complete.

Item No.25:- Providing and laying Cast in situ/Ready Mix cement concrete in M20 of trap metal for bed blocks, foundation blocks and such other items including bailing out water, Steel centering, formwork, laying/ pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (Wooden centering will not be allowed.), with reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Natural Sand / Crushed sand VSI Grade finely washed etc)

Item No.26:- Providing and laying cement concrete wearing coat M30 grade with batch mix type / concrete mixer including reinforcement as per drawings and technical specifications etc.complete with fine agreegates of required specifications (VSI sand finely washed etc )

Item No.27:-Providing and laying in situ M-25 cement concrete of trap metal with 15% plum of trap stones for retaining walls and jetty etc. including necessary formwork, compacting, curing, bailing out water manually in tidal range etc. complete.

Item No.28:- Providing and laying cement concrete pipe of IS 458:2003 NP-3 class of 1200mm diameter in proper line, level and slope etc.complete.

Item No.29:- Providing and fixing in position HCRM / CRS (Corrosion Resistant Steel) bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete.

Item No.30:- Providing and fixing stainless steel bollard of steel pipe 1.00 metre long of 250 mm inner diameter and circular top plate of 350 mm diameter with 5 mm thickness on deck of jetty in cement concrete including necessary fixtures and fastening etc. complete. (Stainless steel of grade S-304)

Item No.31:- Supplying, installing, testing and commissioning Solar street light pole comprising of 12W LED luminaire, 12.8V- 30Ah Li battery, with 75Wp Solar panel, MS Powder Coated Battery Box weatherproof, mounted on 75/80 mm dia. BGrade GI Pole of 6 Mtr. height (5m above ground & 1m below ground), 12W LED Chip of luminaire should be in compliance to IES: LM-80 & Performance parameters of luminaire shall be as per IES LM-79:2008 Or IS 16106 : 2012); along with brackets, foundation, earthing and necessary accessories complete as per MNRE specification (With 5 Years warrantee).

PART- B:-ROYALTY CHARGES AND TESRTING CHARGES.

Sub Estimate . B 1- Royalty Charges for Rubble, Murrum

Item No.32:- Royalty Charges of Materials as Rubble Stone, Metal and Murum etc.

Sub Estimate . B 2- Testing Charges

Item No.33 :- Carry out Quality control tests

A) Trap Metal/Rubble

i) Crushing Value/Compressive Strength, water Absorption & Specific Gravity.

B) For Concrete work

i) Concrete Mix Design (With all Tests on basic materials)

ii) Compressive Strength of C.C. Cube (Set of 3 Cubes)

C) For BASIC TEST OF CEMENT

Standard Consistancy, Fineness, Specific Gravity, Setting Time ( Initial & Final ), Compressive Strength, Soundness [SSR 2020-21, (I/P- 1/580)]

D) BASIC TEST OF AGGREGATE

i) Water Absorption, Specific Gravity,Impact Value, Crushing Value

ii) Sieve Analysis

iii) Abrasion Value.

iv) Flakiness Index & Elongation Index

v) Soundness.

M/s. R B Chavan