Construction of Sakav on Nalla at Rajwadi panere mogare road, Tal Rajapur, Dist Ratnagiri For the year 2025 26

Item No.1:- 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.2:- Excavation for foundation in hard rock by blasting including shoring and strutting as necessary and disposing off excavated stuff as directed etc. complete.

Item No.3:- Dewatering on BHP basis by using water pump including diversion of stream, providing cofferdams, earthern bunds etc. as may be necessary for foundation and other parts of the the works and pumping out water during and after excavation as may be required by using 5.0 to 9.0 BHP pump etc. complete. (prior approval of Superintending Engineer will be necessary)

Item No.4- Providing and fixing 25mm diameter steel anchor dowel in hard rock including drilling hole of 32 mm diameter up to 0.75 mtrs depth, placing the dowel in position and effectively grouting the hole with CM 1:1 proportion etc. complete.

Item No. 5 :- Providing and laying in situ / ready mix cement concrete of M-15 proportion with trap/ granite/ quartzite/ gneiss metal in foundation including necessary form work, compacting and curing etc. complete. (with reversible drum type mixer with SCADA with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

Item No. 6 :- Providing and laying in situ / ready mix M-20 plain cement concrete of trap /granite/quartzite/ gneiss metal for cast in citu piers, abutment, returns, wings etc. including provision of "V" shaped false joints to form suitable panels on the faces to approve design with compacting by vibrating and curing complete, including plywood/steel form work centering ( excluding dewatering by means of pump) and including bailling out water and curing finishing in CM 1:3 etc. complete. as directed by engineer in charge

Item No. 7 :- Providing and laying in situ / ready mix controlled M-25 cement concrete of of trap / granite / quartzite/ gniess metal for reinforced cement concrete caps over piers and abutments including necessary sacffolding plywood/steel formwork, compacting by vibrating, finishing in CM 1:3 and curing etc complete ( Excluding reinforcement) With reversible drum type mixer/ concrete batch mix plant (pan mixer) . with fine agreegates of required specifications ( VSI sand finely washed etc )

Item No. 8 :- Providing and laying in situ / ready mix M-25 controlled cement concrete of trap/ granite/ quartzite/ gneiss metal for RCC work in solid/ deck slab etc. including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding reinforcement etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer and fine agreegates of required specifications ( VSI sand finely washed etc )

Item No 9:- Providing and laying in situ / ready mix M 25 RCC of trap/ granite/ quartzite/ gneiss metal for RCC work of ballast walls, kerbs and box returns including scaffolding, compaction, formwork finishing and curing etc. complete. (excluding reinforcement, with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with fine agreegates of required specifications ( VSI sand finely washed etc ) RCC work of Ballast walls & Kerb

Item No.10:- Providing and cutting bending, hooking, laying in position and tying HCRM/ CRS for reinforcement as per detailed drawings for R.C.C. work Note : Where item no 34(c) considered in estimate, Anti Corrosive Treatment Shall not be considered additionaly. HCRM : High Corrosion Resistance Marine. CRS : Corrosion Resistance Steel.

Item No. 11 :- Providing and fixing in position tar paper bearing as per detailed drawing etc. complete.

Item No.12:- Providing and fixing in position expansion joints with 25 mm thick bituminous pad as per detailed drawing etc.complete.

Item No.13:- Providing 100mm diameter GI water spouts as per detailed drawings in RCC slab and wearing surface / kerb etc. complete.

Item No. 14 :- Providing and laying weep holes of 100 mm diametre PVC pipes as per drawing for abutment returns returns walls etc. complete.

Item No.15:- Providing and laying of filter media with granular materials/ stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2 of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition as per drawing and technical specifications etc. complete.

Item No 17:- Providing and laying in situ / ready mix M25CC of trap/ granite/ quartzite/ gneiss metal for wearing course 8cm thick including compacting, finishing, curing and filling in joints with bitumen etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with fine agreegates of required specifications ( VSI sand finely washed etc )

Item No 18 - Providing and laying 0.90 meter thick metal mat consisting of rubble, oversize metal and normal size metal in specified thickness as per detailed drawing including supplying all materials, hand packing of rubble, spreading metal in layers and hard murum including watering and compaction with power roller etc. complete

Item No. 19 :- Providing and fixing in position Guard Railing as per Drg. No. 15 Type C dt. 20-4-79, with 3 rows of 40mm dia. G.I. pipe 30cm a part and fixed in M.S. channels of section 100 x 50 x 6 mm spaced 2.5 C/c 1:2:4 c.c. bedding of size 45 x 30 x 30cm. as per detailed drawing, with 3 coats of approved of yellow and black paint including necessary excavation in any strata

Item No. 20 :- Providing and fixing 90 cm x 60 cm Granite plate engraving 10 cm. height letter, figures including painting the lefters/figures with approved colour and shade complete

Item No.21:- Conveying materials obtained from road cutting including all lifts, laying in layers of 20cm to 30cm. breaking clods, dressing to the required lines, curves, grades and section, watering and compacting to not less than 97% of standard Proctor density for a lead of over 50m. to 300m. inclusive from the site of excavation to the site of deposition as directed.

Item No.22:- Providing dry/ trap/ granite/ quartzite/ gneiss rubble stone soling 15 cm to 20 cm thick including hand packing and compacting etc. complete.

Item No.23:- Providing and fixing Name board

Item No- 24 - Payment of Royalty charges for supply of material

Item No.25:- Payment of testing charges if contractor produced authorised results

1) Basic test of Cement

2) Fineness Modulus (Sieve analysis) Silt & Clay Content

3) Sieve analysis

4) Water Absorption Impact & crushing value

5) Abrasion

6) Flakiness & Elongation Index

7) Wt. per meter Ultimate tensile stress, Yield stresss & Elongation test

8) Conc. Mix design

9) Compressive strength

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