Repairs to Existing bund and retaining wall at Geeta Nagar, Colaba, Mumbai

Amount

Repairs to Existing Bund and retaining wall at Geeta Nagar, Colaba, Mumbai

Item No. 1:- Removing rich mix cement concrete including stacking the spoils as directed with all leads, lifts etc, complete.

Item No. 2:- Laying of trap stones by rearrangement of stones displaced from existing protection bund weighing 500 to 1000 kilogram for Apron / Armour layer including collection, sorting and laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.

Item No. 3: - Providing and laying trap stones weighing 500 to 1000 kilogram for Apron / Armour layer including, conveying with all the leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.

Item No. 4:- Providing and laying trap stones weighing above 1000 kilogram for Apron / Armour layer including conveying with all the leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.

Item No. 5 :-Supplying and laying trap stones upto 20 kilogram for Filter / Core layer including conveying with all the leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.

Item No. 6 :-Providing and laying trap stones weighing 300 to 500 kilogram for Sub armour / Apron / Armour layer including conveying with all the leads, lifts, laying in required lines, level, slope as per drawing including necessary equipments and machinery as directed by etc. complete in tidal conditions.

Item No. 7 Providing and laying precast tetrapods of plain cement concrete of M-30 grade, weighing 2000 kilogram each of required shape for armour layer including necessary steel formwork/mould including applying form releasing agent including vibration, curing, conveying and placing them in correct profile as per drawing including all labours, materials, equipments, machinery such as crane of adequate capacity and boom length, with all lead and lift etc. complete in tidal conditions.

Item No. 8. Providing and laying precast tetrapods of plain cement concrete of M-30 grade, weighing 4000 kilogram each of required shape for armour layer including necessary steel formwork/mould including applying form releasing agent including vibration, curing, conveying and placing them in correct profile as per drawing including all labours, materials, equipments, machinery such as crane of adequate capacity and boom length, with all lead and lift etc. complete in tidal conditions.

Item No. 9:- Providing and laying cement concrete pipe of IS 458:2003 NP-4 class of 1200mm diameter in proper line, level and slope etc. complete

Item No.10 Providing and laying in situ M-25 cement concrete of trap / granite / quartzite / gneiss metal with 15% plum of trap stones for retaining walls and jetty etc. including necessary formwork, compacting, curing, bailing out water manually in tidal range etc. complete.

Item No.11 Providing and casting in situ / ready mix PCC M20 grade of trap metal for coping to head walls / parapet including centering, form work, compaction and curing etc. complete.(with reversible drum type mixer/ concrete batch mix plant (pan mixer) with SCADA with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

Item No.12 :- Providing and laying of reinforced cement concrete in M-30 grade approach slab / Rigid Pavement including formwork complete with fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) as per drawings and technical specifications etc. complete with fine agreegates of required specifications ( VSI sand finely washed etc ) ( excluding reinforcement )

Item No. 13:- Carrying of detailed topographic survey by using total station along the existing or new road including taking L-section and cross sctionat every 30 meter ROW, taking atleast 10 spot levels per cross section, picking up all existing details inside the Row like electric telephone line, encroachments, structures etc.connecting all the primary total station control points by G.I.S. Bench marks level o r which ever available with departmen using auto level and preparing AutoCAD plan by usin above data taking out 1set of black and white print out on 50 micron poly ster films heet A2 size and 2sets of coloured printout on A2 size submitting soft copy all data on CD. Plain Terrain New Alignment

Item no 14 Calculate quality control tests as per mentioned in SSR

Rubble: Crushing Value/Compressive Strength, Water Absorption & Specific Gravity,

Mix Design

Concrete Cube Test (considering 30% fom lab)

Item no 15. Royalty Charges

Rubble

M/s. R B Chavan