Construction of bridge at Kanamala across Pamba River in Pathanamthitta District - Balance work

Amount

Appendix A- Bridge Proper

Supplying and fixing 75 mm dia PVC pipe for down water pipe 50 cm long at suitable intervals in the deck slab

Appendix B: Approach Road

Earth work excavation in all classes of soil (except hard rock and medium rock) cut and coveyed and deposit the spoil with all loads and lifts etc

Forming and consolidating sides of roller 1m wide on either side to the same section after compaction

Appendix C: Protective works

Earth work excavation in all classes of soil (except hard and medium rock which requires blasting) for foundation and spoil for levelling the low-lying are with all leads and lifts etc... complete

Supplying and stacking teak wood piles 200 to 300 mm dia in approved lines and levels through varous strata including all hire and labour for staging platform and all other applience necessary to pile driving after pointing the bottom and upto depth of 6 m below ground level

Driving down teak wood piles to approved lines and levels through various strata including all hire and labour charges for taging platform and all other appliance necessary to pile driving etc complete

cutting and removing the excess length of piles to lines and levels and removing the outer end of piles and stocking the same with in 150m

C.C 1:4:8 using 40 mm metal for top of teak wood piles driven

Reinforced Cement concrete 1:2:4 using 20mm broken stone including all formwork cost of materials, labour charges but excludng cost of reinforcement

Providing reinforcement for RCC work bent tied and placed in position

Supplying and fixing RCC 1:2:4 guard posts and painting with synthetic enamel @1.5 m c/c with a size of 0.02x0.02x1.2

Painting with synthetic enmel paint

APPENDIX D

Blasting and removing hard rock measured in solid wet condition using machinery such as jack hammer and compressor with explosives such as jelatin detonators and conveying the blasted hard rock and stacking for measurements within initial lead upto 50 m and lift upto 1.50 m

Dry roubble masonry for foundation of retaining wall using departmentally supplied rubble

CC 1:3:6 using 40mm and 20 mm graded metal for retaining wall

Earthwork filling with departmental own earth cut nd conveyed with all leads and lifts by on horizontal layers of uniform thickness over with full width during or watering as the case may sacrifying to get uniform optimum moisture content and compacting in layers etc complete for embankment

Supplying and fixing reflectors with ceranic base of size 20x10 cm using high intensity prismatic retro reflective sheeting on guard stone, parapet, kerbs, median etc in synthetic adhasive including all cost and labour etc. Complete

Providing 75 mm PVC pipe for weep holes of protection walls

Sacrifying excisting bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lift and leads upto 1000 meters

Construction of Garnular sub-base with close graded material spreading in uniform layers with motor grader on prepared surface etc.

Providing, laying, spreding and compacting Wet mix Macadam specification includingpremixing the maerial with water at OMC in mechanical Mix plant and compacting with vibratory roller etc

Providing, laying and rolling of Built-up-spray Grout layer over prepared base etc

Providing dust proofing over new WBM surface with departmental broken stone after thoroughly cleaning the base etc. (Total usage of bitumen 14.6 kg/10m2)