Earth Support Corp

Price checkPump-Station Boxes & PitsPer SF

Temporary support of excavation, per SF of retained face (DOT basis)

What bidders priced on like-for-like public pay items, from public agency bid tabulations restated to 2026 dollars and a typical job, against ESC’s published rate as a general contractor carries it.

Published rate: ESC’s rate against the median public bid

Cantilever soldier pile & lagging

−31%

ESC’s rate as a GC carries it, against the median public bid

Cantilever soldier pile & lagging: ESC’s rate as a GC carries it is $70.95/SF — −31% vs the median public bid, and below 67% of 716 public bids on 119 lettings (2019–2026).

  • Strong evidence: 119 lettings
  • Bids 2019 onward
  • New England agencies
  • Restated to 2026 dollars
  • Middle half of bids
  • Median bid
  • Typical low bid
  • ESC rate, as a GC carries it (gold rule: our low–high range)
ESC published rate
$64.50/SF
Range $64.50–87.50
As a GC carries it
$70.95/SF
Published rate +10% · $70.95–96.25
Median public bid
$103/SF
Recent lettings count more; each letting once
Middle half of bids
$53.23–163/SF
25th to 75th percentile
Typical low bid
$24.29/SF
Median of each pay line’s lowest bid
Pay lines where ESC is under even the lowest bid
32 of 123
ESC’s carried rate below every bid on the line

Price book note: Cantilever soldier pile & lagging, to ~12 ft.

This rate in the price book

01 · The field

Every public bid

Each dot is one bidder’s price on one public pay line for this work: 716 bids on 119 lettings, 2019–2026. Every price is restated to 2026 dollars and a typical job size, so it compares like for like with ESC’s published rate. Point at or focus a dot for its year, agency and rank; the other bids on its pay line are ringed.

  • Public bid
  • Older lettings fainter
  • Middle half of bids
  • Median bid
  • Typical low bid
  • ESC as a GC carries it (gold rule: low–high)

n = 716 bids · 119 lettings · 123 pay linesSource: public agency bid tabulations

Show all 716 bids

02 · Time

Over time

  • Public bid
  • Year’s weighted median
  • ESC as a GC carries it

Each dot is one bid, placed by the year its letting opened. Every price is restated to 2026 dollars and a typical job, so a price bid years ago and one bid last season compare like for like. Ink ticks: each year’s weighted median, where the year has at least 3 bids.

n = 716 bids · 8 years with bidsSource: public agency bid tabulations

Show the numbers

03 · Pay lines

Pay line by pay line

Every public pay line behind this rate. No bidder, project, contract or town is shown: a line is a year, an agency, a printed quantity, a count of bidders and prices.

ESC’s carried rate would have been the lowest price on 32 of 123 pay lines.

Every public pay line for Cantilever soldier pile & lagging, newest first: year, agency, printed quantity, bidders, and the lowest, median and highest bid restated to 2026 dollars, with where ESC’s rate as a GC carries it would have ranked.
YearAgencyQuantityBiddersLowMedianHighBids on the line against ESCESC would have ranked
2026CTDOT53,060 SF2$74.37$128$181#1of 3: the lowest price on the line
2026CTDOT9,953 SF7$0.02$80.94$170#3of 8
2026CTDOT1,677 SF7$30.11$126$241#3of 8
2026CTDOT1,505 SF6$23.66$94.65$355#4of 7
2026CTDOT1,140 SF5$54.51$136$158#2of 6
2026CTDOT1,090 SF4$0.01$1.12$187#4of 5
2026CTDOT400 SF6$0.95$75.96$142#4of 7
2025CTDOT61,700 SF2$39.17$131$222#2of 3
2025CTDOT9,335 SF11$14.97$129$202#2of 12
2025CTDOT9,140 SF4$1.61$22.52$88.49#4of 5
2025CTDOT6,958 SF8$30.75$152$169#2of 9
2025CTDOT5,463 SF7$88.63$170$251#1of 8: the lowest price on the line

Newest first · 12 of 123 pay lines

Low, median and high are restated to 2026 dollars and a typical job; the quantity is as printed. The strip shows each bid on the line (dots), its median (ink tick) and ESC’s rate as a GC carries it (diamond), on one scale for every line. “ESC would have ranked” counts ESC as one more bidder on the line.

04 · Agencies

By agency

The same comparison inside each agency’s own lettings.

Cantilever soldier pile & lagging by agency: lettings, bids, median bid, the field of bids against ESC’s rate as a GC carries it, ESC against the median and the weighted share of bids above ESC.
AgencyLettingsBidsMedian bid /SFField and ESCESC vs medianBids above ESC
All agencies119716$103−31%67%
Connecticut Department of TransportationCTDOT92526$109−35%70%
Massachusetts Department of TransportationMassDOT26185$94.12−25%60%
Rhode Island Department of TransportationRIDOT15Too few lettings to compare
  • Middle half of bids
  • Median bid
  • ESC rate, as a GC carries it (gold rule: our low–high range)

An agency is compared on its own from 3 lettings. Every agency’s bids count in the charts and pay lines above.

Where these numbers come from

Basis

Cantilever soldier pile & lagging. 716 public bids on 119 lettings and 123 pay lines, from CTDOT, MassDOT and RIDOT (2019–2026). Every bid is restated to 2026 dollars and to a typical ESC job of 546.5 SF. A letting’s weight halves every 3 years, and each letting counts once, however many bidders it drew.

ESC’s rate is compared as a general contractor carries it: the published typical rate plus 10%, because a public pay line is the general contractor’s price, markup included.

Published by Earth Support Corp. from public agency bid tabulations. These are budget comparisons, not a quote or an offer: ESC quotes its earth-support scope to general contractors as a subcontractor, from your drawings.

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Rev 1 · valid through Dec 13, 2026

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