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PIID0014DELIVERY ORDER

TETRA TECH EC, INC.

UEI: LMRMKLLL3LG5

$3,879,653.91

Awarding Agency

Department of Defense

Sub-Agency

Department of the Navy

Start Date

May 26, 2017

End Date

December 31, 2025

NAICS

PSC

F108

Transactions (18)

Date	Mod #	Action	Obligation
May 26, 2017	0	—	+$912,222
May 9, 2018	1	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$173,787
Jun 12, 2018	2	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$857,514
Jun 11, 2019	3	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$731,411
Jun 11, 2020	4	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$645,890
Jun 3, 2021	5	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	-$17,957
Jun 11, 2021	6	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$397,217
Jul 29, 2021	7	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	-$470
May 19, 2022	8	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Sep 21, 2022	9	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Dec 30, 2022	10	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$198,830
Jan 25, 2023	11	OTHER ADMINISTRATIVE ACTION	+$87,022
Sep 26, 2023	12	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	-$143,739
Jan 2, 2024	13	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$130,584
Sep 27, 2024	14	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	-$92,658
Jan 27, 2025	15	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Jul 2, 2025	16	OTHER ADMINISTRATIVE ACTION	+$0
Sep 30, 2025	17	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0