Upstream approach walls, chickamauga lock, chattanooga TN.

Ended Definitive Contract Awarded Last action

Contract number
W912P521C0009
Awardee
Awarding agency
Obligated
$81,028,243

Award facts

Opportunity
Contract value 100% obligated
$81,028,242.59 Current and potential, with all options
Completion date 100% complete
Current and potential, with all options
Contracting staff
Funding agency
Department of the Army Department of Defense
Set-aside
No set-aside
Competition
Full and Open Competition · 2 offers Negotiated Proposal / Quote
Pricing
Firm Fixed Price
Place of performance
Red Bank, TN 37415, USA
Legislative mandates

Award details come from SAM.gov/FPDS.

Transactions

Action Obligated Date
Definitize Change Order PZ0009 · To implement change CL021-2 (watts bar bridging) and CL025 (drilled shaft $2,610,171
Supplemental Agreement for work within scope A00013 · A. Scope of work $243,077
Supplemental Agreement for work within scope A00012 · CL026 adverse weather #2 pursuant to authority of far 52.249-10 default (fixed-price construction). Contract price is unchanged by this modification. Change… $0
Change Order P00008 · P00008 CL021-1 RFI-100 bridging intake lines at watts bar (UCO) part 1 modification. $600,000
Change Order A00011 · Implement change CL024 pursuant to far 52.236-2 differing site conditions. Contract price is increased by $75,000.00 from $77,499,994.46 to $77,574,994.46.… $75,000
Supplemental Agreement for work within scope A00010 · Implement change CL020 and CL022 pursuant to far 52.243-changes. Contract price is increased by $74,634.14 from $77,425,360.32 to $77,499,994.46. The contract… $74,634
Supplemental Agreement for work within scope A00009 · Implement change CL019 pursuant to far 52.243-changes. Contract price is increased by $1,800.00 from $77,423,560.32 to $77,425,360.32. The contract completion… $1,800
Supplemental Agreement for work within scope P00007 · P00007 CL017 redesign time impact REA for the partial suspension of technique shaft work redesign of the drilled shafts, intermediate piers, nose piers, and… $9,472,548
Supplemental Agreement for work within scope A00008 · Implement changes CL011 and CL015 pursuant to far 52.243-changes and CL012 pursuant to far 52.236-2 differing site conditions. Contract price increased by… $238,051
Change Order A00007 · CCD is extended by 60 calendar days from 12 december 2024 to 10 february 2025. Contract price remains unchanged at $67,712,961.35. $0
Supplemental Agreement for work within scope P00006 · This modification is to definitize UCO part 1 executed in W912P521C0009-P00004. Implement CL009-2(vecp drilled shafts) pursuant to far 52.248-3 value… $2,560,244
Supplemental Agreement for work within scope A00006 · CL013 and CL014 are entered into pursuant to authority of far 52.243-4 changes. Total contract price is increased by $1,597.50 to $65,152,717.11. Contract… $1,598
Other Administrative Action P00005 · Administrative modification P00005 to correct contract completion date for chickamauga lock upstream approach walls contract. $0
Change Order P00004 · CL009-1 vecp drilled shafts is entered into pursuant to authority of far 52.248-3 value engineering - construction. CL010-1 pier caps and nose piers redesign is… $3,683,145
Supplemental Agreement for work within scope A00005 · CL008 partnering session 2023 is entered into pursuant to authority of far 52.243-4 changes. Total contract price is increased by $1,572.50 from… $1,573
Supplemental Agreement for work within scope P00003 · Project: upstream approach walls, chickamauga lock, chattanooga, tennessee. Implements change no. CL006 - drilled shaft redesign pursuant to far 52.243-4. $453,933
Supplemental Agreement for work within scope A00004 · Modification A00004 - W912P521C0009 implements change no. CL001, misc drawing and spec changes is entered into pursuant to authority of far 52.243-4 changes.… $0
Supplemental Agreement for work within scope A00003 · CL003 is entered into pursuant to authority of far 52.243-4 increase total contract by $58,781.88. CL007 pursuant to authority of far 52.249-10, extends… $58,782
Supplemental Agreement for work within scope P00002 · MOD P00002, CL005 payment consideration of off-site stored materials is entered into pursuant to authority of far 52.243-4 changes. $0
Supplemental Agreement for work within scope A00002 · Chick lock upstream approach walls, hixson, TN. CL004 VEQ exploratory drilling clins is entered into pursuant to authority of far 52.211-18 to adjust clins 201,… $91,185
Supplemental Agreement for work within scope A00001 · Chick lock upstream approach walls, hixson, TN. 1. CL002 initial partnering session 2022 is entered into pursuant to authority of far 52.243-4 changes. 2. Total… $5,623
Other Administrative Action P00001 · Modification P00001 for notice to proceed. $0
Original award $60,856,879
Show all 23

About this award

Written by GovTribe AI ·

The Department of the Army awarded a definitive contract to C.J. Mahan Construction Company, LLC for upstream approach walls construction at Chickamauga Lock in Chattanooga, Tennessee on September 21, 2021, with a ceiling value of $81,028,242.59 under firm fixed-price pricing and no set-aside.

The contract implements change orders CL021-2 (Watts Bar Bridging) and CL025 (Drilled Shaft Remediation) under FAR 52.236-2 differing site conditions procedures. CL021-2 definitizes Unpriced Change Order Part 1 executed under the parent contract W912P521C0009-P00008. The ultimate completion date is January 30, 2026. Place of performance is Red Bank, Tennessee. The originating pre-solicitation, posted April 1, 2021, describes construction of a 110-foot-by-600-foot upstream approach wall including new pier construction, precast concrete beam installation, rock excavation, and environmental controls, with an estimated range of $25 million to $100 million. Work falls under NAICS 237990 (Other Heavy and Civil Engineering Construction).

Quick answers

Who was awarded contract W912P521C0009?

W912P521C0009 was awarded to C.j. Mahan Construction Company, LLC by ENDIST Nashville (US Army Corps of Engineers) on September 21, 2021.

How much is contract W912P521C0009 worth?

The government has obligated $81,028,243 on W912P521C0009.

Which agency awarded contract W912P521C0009?

ENDIST Nashville (US Army Corps of Engineers) awarded W912P521C0009, with funding from Department of the Army (Department of Defense).

Was contract W912P521C0009 competed?

The extent of competition for W912P521C0009 was full and open competition. The government received 2 offers.

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