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PIID0003DELIVERY ORDER

TETRA TECH EC, INC.

UEI: LMRMKLLL3LG5

$6,493,642.50

Awarding Agency

Department of Defense

Sub-Agency

Department of the Army

Start Date

September 26, 2011

End Date

September 30, 2021

NAICS

PSC

F108

Transactions (25)

Date	Mod #	Action	Obligation
Sep 26, 2011	0	—	+$747,177
Sep 26, 2011	0	—	+$832,829
Jul 24, 2012	1	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$52,621
Nov 30, 2012	2	OTHER ADMINISTRATIVE ACTION	+$0
Feb 28, 2013	3	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$358,557
Sep 30, 2013	5	CHANGE ORDER	+$195,477
Sep 30, 2013	4	CHANGE ORDER	+$832,829
Sep 22, 2014	6	OTHER ADMINISTRATIVE ACTION	-$832,829
Apr 9, 2015	7	FUNDING ONLY ACTION	+$482,717
Nov 19, 2015	8	OTHER ADMINISTRATIVE ACTION	+$3
Feb 5, 2016	9	OTHER ADMINISTRATIVE ACTION	-$319,570
Jul 11, 2016	10	FUNDING ONLY ACTION	-$792,572
Dec 28, 2016	11	CHANGE ORDER	+$2,317,862
Sep 22, 2017	12	CHANGE ORDER	-$3
Sep 22, 2017	12	CHANGE ORDER	+$0
Feb 14, 2019	13	CHANGE ORDER	+$168,244
Apr 26, 2019	14	CHANGE ORDER	+$96,603
Jun 28, 2019	15	CHANGE ORDER	+$88,297
Aug 9, 2019	16	CHANGE ORDER	+$1,675,950
Oct 17, 2019	17	CHANGE ORDER	-$53,700
Oct 31, 2019	18	CHANGE ORDER	+$53,700
Dec 20, 2019	19	CHANGE ORDER	+$459,619
Feb 27, 2020	20	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$289,904
Jun 7, 2021	21	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$172,381
Feb 24, 2022	22	CLOSE OUT	-$332,453