20-101905-ECA Mitigation Cost Estimate-07-14-2020-V1Date:10-Jul-20 Prepared by:
Project Number: 19-101087-00-AD
Applicant:Phone:253-905-5736
PLANT MATERIALS (includes labor cost for
plant installation)
Type Unit Price Unit Quantity Cost
PLANTS: Potted, 4" diameter, medium $5.00 Each $ -
PLANTS: Container, 1 gallon, medium soil $11.50 Each 217 $ 2,495.50
PLANTS: Container, 2 gallon, medium soil $20.00 Each 43 $ 860.00
PLANTS: Container, 5 gallon, medium soil $36.00 Each $ -
PLANTS: Seeding, by hand $0.50 SY 799 $ 399.61
PLANTS: Slips (willow, red-osier)$2.00 Each $ -
PLANTS: Stakes (willow)$2.00 Each $ -
PLANTS: Stakes (willow)$2.00 Each $ -
PLANTS: Flats/plugs $2.00 Each $ -
TOTAL $ 3,755.11
Type Unit Price Unit Cost
Compost, vegetable, delivered and spread $37.88 CY $ -
Decompacting till/hardpan, medium, to 6" depth $1.57 CY $ -
Decompacting till/hardpan, medium, to 12" depth $1.57 CY $ -
Hydroseeding $0.51 SY $ -
Labor, general (landscaping other than plant installation)$40.00 HR $ -
Labor, general (construction)$40.00 HR 24 $ 960.00
Labor: Consultant, supervising $55.00 HR 4 $ 220.00
Labor: Consultant, on-site re-design $95.00 HR $ -
Rental of decompacting machinery & operator $70.00 HR $ -
Sand, coarse builder's, delivered and spread $42.00 CY $ -
Staking material (set per tree)$7.00 Each $ -
Surveying, line & grade $250.00 HR $ -
Surveying, topographical $250.00 HR $ -
Watering, 1" of water, 50' soaker hose $3.62 MSF $ -
Irrigation - temporary $3,000.00 Acre 0.17 $ 495.39
Irrigation - buried $4,500.00 Acre $ -
Tilling topsoil, disk harrow, 20hp tractor, 4"-6" deep $1.02 SY $ -
TOTAL $ 1,675.39
ITEMS Unit Cost Unit Cost
Fascines (willow) $ 2.00 Each $ -
Logs, (cedar), w/ root wads, 16"-24" diam., 30' long $1,000.00 Each $ -
Logs (cedar) w/o root wads, 16"-24" diam., 30'$400.00 Each $ -
Logs, w/o root wads, 16"-24" diam., 30' long $245.00 Each $ -
Logs w/ root wads, 16"-24" diam., 30' long $460.00 Each $ -
Rocks, one-man $60.00 Each $ -
Rocks, two-man $120.00 Each $ -
Root wads $163.00 Each $ -
Spawning gravel, type A $22.00 CY $ -
Weir - log $1,500.00 Each $ -
Weir - adjustable $2,000.00 Each $ -
Woody debris, large $163.00 Each $ -
Snags - anchored $400.00 Each $ -
Snags - on site $50.00 Each $ -
Snags - imported $800.00 Each $ -
* All costs include delivery and installation TOTAL $ -
EROSION CONTROL
ITEMS Unit Cost Unit Cost
Backfill and Compaction-embankment $ 4.89 CY $ -
Crushed surfacing, 1 1/4" minus $30.00 CY $ -
Ditching $7.03 CY $ -
Excavation, bulk $4.00 CY $ -
Fence, silt $1.60 LF $ -
Jute Mesh $1.26 SY $ -
Mulch, by hand, straw, 2" deep $1.27 SY $ -
Mulch, by hand, wood chips, 2" deep $40.00 CY 5.5 $ 220.00
Mulch, by machine, straw, 1" deep $0.32 SY $ -
Piping, temporary, CPP, 6"$9.30 LF $ -
Piping, temporary, CPP, 8"$14.00 LF $ -
Piping, temporary, CPP, 12"$18.00 LF $ -
Plastic covering, 6mm thick, sandbagged $2.00 SY $ -
Rip Rap, machine placed, slopes $33.98 CY $ -
Rock Constr. Entrance 100'x15'x1'$3,000.00 Each $ -
Rock Constr. Entrance 50'x15'x1'$1,500.00 Each $ -
Sediment pond riser assembly $1,695.11 Each $ -
Sediment trap, 5' high berm $15.57 LF $ -
Sediment trap, 5' high berm w/spillway incl. riprap $59.60 LF $ -
Sodding, 1" deep, level ground $5.24 SY $ -
Sodding, 1" deep, sloped ground $6.48 SY $ -
Straw bales, place and remove $600.00 TON $ -
Hauling and disposal $20.00 CY $ -
Topsoil, delivered and spread $35.73 CY $ -
TOTAL $ 220.00
INSTALLATION COSTS ( LABOR, EQUIPMENT, & OVERHEAD)
Critical Areas Mitigation
Cost Estimate
Description
Jeff Jones
Project Description: Waterline Trench Restoration, Single-Family Residence
Project Name: Azdhigirey
Location: 30523 28TH AVE SW 98023 Aleksandr Adzhigirey
HABITAT STRUCTURES*
GENERAL ITEMS
ITEMS Unit Cost Unit Cost
Fencing, chain link, 6' high $18.89 LF $ -
Fencing, chain link, corner posts $111.17 Each $ -
Fencing, chain link, gate $277.63 Each $ -
Fencing, split rail, 3' high (2-rail)$10.54 LF $ -
Fencing, temporary (NGPE)$1.20 LF $ -
Signs, sensitive area boundary (inc. backing, post, install)$28.50 Each $ -
TOTAL $ -
$ 5,650.50
ITEMS
Percentage
of
Construction
Cost Unit Cost
Mobilization 10%1 $ 565.05
Contingency 30%1 $ 1,695.15
TOTAL $ 2,260.20
MAINTENANCE AND MONITORING
Maintenance, annual (by owner or consultant)
Less than 1,000 sq.ft. and buffer mitigation only $ 1.08 SF $ -
Less than 1,000 sq.ft. with wetland or aquatic area
mitigation $ 1.35 SF $ -
Larger than 1,000 sq. ft. but less than 5,000 sq.ft. of buffer
mitigation $ 180.00 EACH $ -
Larger than 1,000 sq. ft. but less than 5,000 sq.ft. of
wetland or aquatic area mitigation $ 270.00 EACH $ -
Larger than 5,000 sq.ft. but < 1 acre -buffer mitigation only $ 360.00 EACH $ -
Larger than 5,000 sq.ft. but < 1 acre with wetland or aquatic
area mitigation $ 450.00 EACH 9 $ 4,050.00
Larger than 1 acre but < 5 acres - buffer and / or wetland or
aquatic area mitigation $ 1,600.00 DAY $ -
Larger than 5 acres - buffer and / or wetland or aquatic area
mitigation $ 2,000.00 DAY $ -
Monitoring, annual (by owner or consultant)
Larger than 1,000 sq.ft. but less than 5,000 wetland or
buffer mitigation $ 720.00 EACH $ -
Larger than 5,000 sq.ft. but < 1 acre with wetland or aquatic
area impacts $ 900.00 EACH 3 $ 2,700.00
Larger than 1 acre but < 5 acres - buffer and / or wetland or
aquatic area impacts $ 1,440.00 DAY $ -
Larger than5 acres - buffer and / or wetland or aquatic area
impacts $ 2,160.00 DAY $ -
TOTAL $ 6,750.00
Total $14,660.70
NOTE: Projects with multiple permit requirements may be required to have
longer monitoring and maintenance terms. This will be evaluated on a case-by-
case basis for development applications. Monitoring and maintance ranges may
be assessed anywhere from 5 to 10 years.
(Construction Cost Subtotal) OTHER
(10 hrs @ $90/hr)
(4hr @$45/hr)
(8 hrs @ 45/hr)
(3 X SF total for 3 annual events;
Includes monitoring)
(3 X SF total for 3 annual events;
Includes monitoring)
(6hr @$45/hr)
(16 hrs @ $90/hr)
(24 hrs @ $90/hr)
(10 hrs @ $45/hr)
(WEC crew)
(1.25 X WEC crew)
(8 hrs @ 90/hr)