CONSTRUCTION OF PLUNGE POOL AND EXTENSION OF APRON AT D/S OF BICHOM DAM UNDER KAMENG H.E. PLANT, ARUNACHAL PRADESH

Amount

Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of deleteriuos matter, dressing of sides and bottom and removal of excavated material as per direction of the department.

i) Ordinary Soil

B) By Mechanical Means

(ii) In Ordinary rock (Not requiring blasting)

B) By Mechanical Means

(iii) In hard rock requiring blasting

A) By Mannual Means/ Mechanical Means

B) Line Drilling/ Drilling of Dummy Holes

(iv) In hard rock (blasting prohibited)

A) By Mechanical Means

Plain and Reinforced cement concrete in open foundation complete including cost of formwork and nominal dewatering as per drawing and technical specification

RCC Grade M25

Reinforced cement concrete in Sub Structure complete including cost of formwork as per drawing and technical specification

A) RCC Grade M25 upto 5.0m height

Reinforced cement concrete in Super-Structure complete including cost of formwork as per drawing and technical specification

A) RCC Grade M25 (height 5.0m and above)

Supplying, fitting and placing of HYSD bar reinforcement complete as per drawing and technical specifications including all lead and lift

A) In sub-structure

B) In super-structure

Drilling holes up to 38mm dia. for Grouted Anchors and other purposes complete in all respect with all plant, materials and labour a sper drawing and specification and direction of Engineer In Charge.

Grouting of Anchor hole with Cement grout including all labour and material as directed by the Engineer In Charge

100 mm thick Shotcrete as per drawing & specification and instruction of Engineer in charge

Welded wire mesh for shotcrete as per drawing and specification and instruction of Engineer in charge.

Drilling 48 mm dia hole for laying drainage pipe and other purposes as per drawing and specification and as directed by Engineer in charge.

Supply, fitting and fixing 36mm dia PVC drainage pipe as per drawing and specification and as directed by Engineer in charge.

Supply, fitting & fixing Geo Textile on slopes as per drawing and specification and as directed by Engineer in Charge.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Backfilling behind abutment, wing wall and return wall complete as per drawing and technical specification (A) Granular Materials

Coursed rubble masonry with hard stone in foundation and plinth in cement mortar 1 : 6 ( 1 - cement : 6 - fine sand) including all lead and lift.

12 mm cement Plaster 1:6 (1 - Cement : 6 - Sand)

Dewatering including cost of using all machinery, pipe line & fittings and labour complete as per direction of the Engineer in Charge.

Design & Engineering, Execution and Maintenance throughout the execution period of Diversion Arrangement for leakage water from Radial Gates for a maximum discharge of 1.5 Cumec.