GENERAL SR 2024 25 Retaining wall Construction of retaining wall in Vellanad Kannampally Cheppod Mulayara road between km 3100 and 3200 in LHS General CivilWork

Amount

Construction of Gabion Retaining Wall

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)

OD50531/2024-2025:Dry rubble masonry for retaining wall foundation and superstructure work including cost and conveyance of materials and all labour charges etc complete as per the directions of departmental officers at site.

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

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

OD50532/2024-2025:Providing and construction of a gabbion structure Maccaferri or equivalent for retaining earth with Mechanically Woven Double Twisted Hexagonal shaped Wire Mesh Gabion boxes 1m high, 1m wide, length vary as per requirement, with diaphrams at every 1m, for gabions of length higher than 1.5m, as per standards as per IS 16014: 2012, MoRTH Clause 2500, of required sizes, mesh type 10x12, Zn + PVC coated, mesh wire dia. 2.7/3.7mm (ID/OD) mechanically edged/selvedged, with partitions at every 1m interval and shall minimum 10 numbers of mesh openings per metre of mesh perpendicular to twist, tying with lacing wire of 2.2/3.2 mm (ID/OD), supplied @ 5% by weight of gabion boxes and supplying and filling rubble at site at dry rubble masonry condition inside the gabion boxes of approved section and drawing and as per construction manual of the approved manufacturer and placing in position to lines and levels suitably to form the gabion wall (with all lifts and leads) with all equipments, conveyance of materials, labours etc complete as per the direction of departmental engineers.

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.B:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications PCC Grade M20 (Without formwork)

2.1.1:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 300 mm to 600 mm

55.16:Providing and fixing guard post Providing and fixing guard post of size 200mmx200mm, 1400mm long, 800mm above ground level and 600mm below GL. casted in M20 Grade concrete reinforced with 4 nos of 8mm dia longitudinal bars and 6mm dia stirrups @ 100mm c/c, firmly fixed in position by means of foundation of size 0.5mx0.5mx0.7m in M15 grade concrete below ground level including painting 2 coats on exposed surface with synthetic enamel paint in alternate white & black band 20cm wide

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

3.17:Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2.

OD50533/2024-2025:Pumping or bailing out water using pump set including cost of labor oil, hire charges of pump etc complete

55.10.1:Providing and erecting retro-reflectorised Object Hazard Marker 300mm x 900mm Providing and erecting retro-reflectorised Object Hazard Marker sign with 07 years warranty, manufactured as per IRC 67 USING Type IV ASTM D 4956-09 micro prismatic retro reflective sheeting fixed over aluminium sheetig, 2 mm thick / aluminium composit material sheeting 4 mm thick with suitable back support frame and supported on a mild steel angle iron post 75mmx75mmx6mm, firmly fixed 30cm above ground level by means of properly designed foundation with M 15 grade cement concrete 30cmx30x45cm, 45cm below ground level including painting all non-reflective faces with epoxy paint 2 coats over epoxy primer as per approved drawing and clause 801.300 mm x 900 mm

OD51782/2024-2025:Providing and fixing non woven geotextiles treated in the face of retaining wall

OD186466/2024-2025:Providing and fixing of DLP board for Running contract work with Non-retro-reflectorised Vinyl signs with 1years warranty manufactured Vinyl Printed sheeting fixed over aluminum sheeting 2mm thick/aluminum composite material sheeting 4mm thick with area not exceeding 0.9 sqm, with suitable back supporting frame of MS angle 40x40x6 and supported on GI pipe pole 50 mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete min size 45 cm x 45 cmx 60cm,60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc

Soil investigation

56.3.a.1:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata upto 10m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

56.4:Boring through all type of hard rock or similar refusal strata of N value greater than 50 using diamond core drilling bit for in land under water and banks of river.

56.3.b.1:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 20m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

56.5.a:Boring through all classes of rock excluding hard rocks having N value greater than 50 using tungsten carbide drilling bit - In land

56.8:Recovering disturbed samples and preserving the same in air tight sample containers including waxing labelling packing storing including cost of containers as per IS Code.

56.2.a:Setting up boring at each bore hole locations including carrying all necessary plant, equipment and materials of boring and field tests and collection of samples at each bore hole location - For machine boring.

56.3.c.1:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

56.6:Recovering undisturbed soil samples using thin tube sampler of 75mm.to 100mm length internal dia 500mm length conforming to relevant IS Code at any required depth including clearing the bore hole etc complete.

56.1.a:Mobilization including transportation of all necessary plant and equipment's and materials of boring, field testing and sampling and demobilization after completing the work - For machine boring

56.7:Conducting standard penetration test in bore hole at any depth.

56.11.a:Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring for 5 bore holes.

ANEESH S V (BID ID -2008418)

ANI KUMAR A (BID ID -2009093)

Bidder Name

S Mohana Kumar

ANEESH S V

ANI KUMAR A