Chola Consultants (Sample)

Chola · CHO-E19 series

Survey area

250 acres to 1000 acres (see variants)

Survey method

Drone photogrammetry

Accuracy

Horizontal 20 mm, vertical 30 mm

Deliverables

Contour map, DEM, CAD plan

Geotech boreholes

1 per 10 acres to 15 m depth

Lead time 2-4 weeks · Warranty Report validity for design purpose · MOQ 1 site

Chola · CHO-F39 series

Survey area

25 acres to 500 acres (see variants)

Survey method

DGPS and total station

Accuracy

Vertical 100 mm

Deliverables

Contour map, DEM, CAD plan

Geotech boreholes

1 per 10 acres to 15 m depth

Lead time Mobilisation in 5 days · Warranty Report validity for design purpose · MOQ 1 site

Chola · CHO-BE3 series

Project size

5 MW to 250 MW (see variants)

Scope

Owner's engineer through COD

Team on site

1 project manager plus 1 engineer

Schedule control

Primavera P6 baseline and updates

Reporting

Monthly dashboard for lenders

Lead time Deployment in 2 weeks · Warranty Professional indemnity cover · MOQ 1 month

Chola · CHO-5E7 series

Works volume

5 MW equivalent to 25 MW equivalent (see variants)

Foundation type

Raft or isolated footing

Concrete grade

M40 for turbine foundation

Pull-out testing

2% piles tested

Reinforcement

Fe 500D TMT

Lead time 4-12 weeks execution · Warranty Structural defect liability 24 months · MOQ 1 job

Chola · CHO-9E8 series

Project size

25 MW to 100 MW (see variants)

Scope

Civil plus electrical BoP

DC cables

6 sq mm solar cable

MV cables

33 kV XLPE Al armoured

Inverter station

Brick built room

Lead time Mobilisation in 14 days · Warranty Defect liability 24 months · MOQ 1 MW

Chola · CHO-A86 series

Plant capacity

1 MW to 10 MW (see variants)

Tests covered

Transformer, switchgear, relay tests

Instruments

Calibrated IV tracer, megger, CRM

Calibration

Calibration valid at test date

Team

Lead plus 5 member crew

Lead time 1-2 weeks on site · Warranty Retest at no cost if failure traced to test error · MOQ 1 MW

Chola · CHO-098 series

Voltage class

33 kV to 400 kV (see variants)

Type

Outdoor AIS

Scope

Civil and structural

Transformers

Up to 50 MVA

Earthing

GI flat grid with ground rods

Lead time Execution 6-15 months · Warranty Defect liability 24 months · MOQ 1 bay

Chola · CHO-CE1 series

Plant capacity

1 MW to 10 MW (see variants)

Deliverables

Full IFC drawing set with calculations

Design software

PVsyst, STAAD, ETAP, Civil 3D

Team

Electrical, civil and SCADA discipline leads

Turnaround

3-4 weeks

Lead time Mobilisation in 7 days · Warranty As per contract · MOQ 1 job

Chola · CHO-DB2 series

Installation scope

5 MW to 25 MW (see variants)

Scope

Electrical BoP erection

Manpower deployed

60 technicians plus supervisors

Supervision

Project manager, engineers, QA/QC

Equipment

Pile driver, crane, telehandler

Lead time Start after material at site · Warranty Workmanship 12 months · MOQ 1 MW

Chola · CHO-AB3 series

Project capacity

10 MWp to 100 MWp (see variants)

Scope

Design, supply, install, commission

Module technology

TOPCon DCR

Inverter

String inverter

Performance guarantee

PR 82% with CUF guarantee

Lead time 3-6 months to commissioning · Warranty Module 12-year product, 25-year performance · MOQ 1 MWp

Chola · CHO-E14 series

Voltage level

11 kV to 400 kV (see variants)

Circuit type

Single circuit

Conductor

AAAC or HTLS

Scope

Foundation, erection and stringing

Stringing method

Conventional stringing

Lead time Material availability dependent · Warranty Defect liability 24 months · MOQ 1 km

Chola · CHO-C11 series

Cable route length

1 km to 50 km (see variants)

Method

Open trench

HDD capacity

Up to 450 mm bore

Trench depth

0.9 m

Cable type

11/33 kV XLPE

Lead time Permits may extend timeline · Warranty Restoration warranty 6 months · MOQ 1 km