Working notes, face to road head
44 guides, in the order rock moves through a job. Written for the engineer who has to specify the stone and the buyer who has to pay for it.
Drilling
Patterns, rigs and the errors that only show up at the crusher.
The serviceBlasting
Vibration limits, powder factor, fly rock and the licences behind a shot.
The service- 6 min
Controlled blasting near houses and roads: PPV limits and how the design changes
- 4 min
Powder factor: formula, typical values and the false economy of a low one
- 4 min
Fly rock: where it comes from and the controls that work
- 6 min
Explosives on site: PESO licences, the magazine and who may fire a shot
- 5 min
Electric, shock tube and electronic detonators: what changed in 2025
Mining and quarrying
Opening a face, stripping overburden, bench geometry and the paperwork that moves stone.
The service- 5 min
Opening a quarry for a highway package: the permissions and the first six weeks
- 5 min
Bench height, width and face angle in an opencast quarry
- 5 min
Royalty, transit passes and e-rawanna: the paperwork that moves stone
- 4 min
Overburden removal and stripping ratio, with the numbers
- 4 min
Captive quarry or bought-in aggregate: the decision on a highway package
Crushing
Three stages, particle shape and the tests an aggregate has to pass.
The service- 5 min
Jaw, cone and VSI: what each stage of a three-stage plant does
- 4 min
Oversize at the hopper: why blasts make boulders and what they cost
- 5 min
Flakiness and elongation index: the limit, the test and how a plant brings it down
- 5 min
Tests on aggregate for road work: the results a quality engineer files
Crusher plants
Hiring, siting and running a plant on a project, and what a month of it yields.
The service- 5 min
Crusher plant bought, hired or run on contract: which suits a highway package
- 4 min
What a 250 TPH crusher plant really produces in a day and a month
- 4 min
Crushing rate per tonne: what is inside the figure and what is not
- 5 min
Setting up a stone crusher plant on a project site: land, power, consents and time
- 4 min
Dust control at a stone crusher: what the pollution board checks
Aggregate and materials
GSB, WMM and single sizes: gradings, quantities, units and what sets the rate.
The service- 5 min
GSB vs WMM: the difference, layer by layer
- 5 min
GSB grading I to VI under MoRTH Clause 401: which one to specify
- 5 min
WMM under MoRTH Clause 406: grading, moisture and laying
- 4 min
Crusher dust, M-sand and river sand are three different materials
- 4 min
Aggregate rate per tonne delivered: royalty, lead, diesel and GST
- 4 min
40 mm, 20 mm, 10 mm and 6 mm aggregate: which size for which job
- 4 min
Brass, cft, cubic metre and tonne: converting aggregate quantities
- 3 min
How much GSB and WMM a kilometre of road needs
- 4 min
Weighbridge slips: gross, tare, net and reconciling a month of loads
- 3 min
Vetting an aggregate supplier before a rate contract: nine checks
Transport
Tipper payloads, cycle times, lead distance and moving a plant across states.
The serviceEarthwork
Compaction, quantities, rock cutting and the haul roads everything else runs on.
The serviceHighway packages
How the layers, the seasons and the subcontracts of a road job fit together.
Get a rate
A question we have not answered?
Send it with the site and the tonnage. A real package gets a straighter answer than a general one. Send it before 6pm and you will hear back the same day.
- Location
- and the lead to the road head
- Grading
- GSB, WMM, 40 / 20 / 10mm
- Tonnage
- a month, not in total
- Start date
- and how firm it is
Not ready for a rate? The questions buyers ask cover capacity, how long mobilising takes, leases and how billing works.
Read those firstOr call +91 93093 43222 · Monday to Saturday, 9am to 6pm