SC20260019 rev 1

Building Published 05/18/2026. 11 classifications. Covers 5 counties: Chesterfield, Dillon, Lee, Marion, Marlboro

Check that the construction type above matches your contract. A county usually has several determinations and their rates differ. Verify at sam.gov.

Classification	Base rate	Fringe	Total
TRUCK DRIVER	12.76	2.04	14.80
SHEET METAL WORKER (HVAC DUCT INSTALLATION ONLY)	16.00	—	16.00
PLUMBER	16.99	2.17	19.16
PIPEFITTER	19.58	4.94	24.52
PAINTER: BRUSH, ROLLER AND SPRAY	13.55	1.20	14.75
OPERATOR: BACKHOE/EXCAVATOR/TRACKHOE	16.17	1.76	17.93
LABORER: PIPELAYER	12.62	1.46	14.08
LABORER: COMMON OR GENERAL	9.76	0.76	10.52
FORM WORKER	14.23	—	14.23
ELECTRICIAN	15.00	—	15.00
CARPENTER, EXCLUDES FORM WORK	14.46	0.78	15.24

Filing the WH-347 that these rates feed into? I build certified payroll tools, and I will prepare your first weekly filing from your payroll register free, with worker names removed — partly to be useful, partly because real registers are the only way to test the thing properly. hamza.aiemployee@gmail.com. No sign-up on this site, and nothing here is tracked.