GENERAL-Urgent construction of Retaining wall near KM 9/500 RHS of Churuli Alppara Ummen Chandi colony Kanjikkuzhy Thekkemala road-Protection work-

Amount

Detailed Estimate

3.13.1.B:Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil - Mechanical Means - (Depth upto 3 m)

12.4: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.

12.8.1.C.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications <br> RCC Grade M20 - Using Concrete Mixer <br>

12.8.A.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

OD20903/2023-2024:Providing weep holes in brick masonry /plain /Reinforced cement concrecte abutment /wing wall /return wall with 75 mm dia pvc pipe extending full width of the structure with slope of 1v: 2h towards drawing foce complete as per drawing and technical specifications

OD20904/2023-2024:Excavation in hard rock with fissures /Boulders ( more than 2 cum in size and (un pocalainable ) by chiseling /wedging/breaking by use of approved chemicals such as Accusin or equivalent , to the required level & depth including all leads and lifts , stacking excavated materials within plot at approved location and carting away un serviceable material outside the site as directed , de- watering of both ground and surface water , removal of slurry generated while excavation and keeping the area free of water with shoring , strutting , sleeping , dressing, grading , required for keeping earth in position , excavating loose pockets and compacting them after back filing as directed etc. as per detailed specification and and confirming to safety rules during progress of the work , and to any depth below ground level . Note : In the case of hard rock / boulders , if required by OWNERS ENGINEER/ARCHITECTS , the excavated material shall be properly stacked or disposed of places as directed.

OD20905/2023-2024:Providing dowel bars of 120cm long 20mm dia Tor steel boring 60 cm deep holes bending L shape fix the tore steel in the hole etc.

13.10: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 complete as per drawing and Technical Specification.

8.8:Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces

District Labour Contract co operative Socirty Idukki

Bidder Name

N C Johnson

District Labour Contract co operative Socirty Idukki