BurdettPark_GMP_Pricing_Workbook_v2.xlsx

XLSX spreadsheet 41 KB Posted

Attached to
Construction Manager At Risk Burdette Park Walking Trails Project
Solicitation number
PE-66020-NONST-2026-000000088
Issued by
Fulton County, Georgia

About this file

This is a General Maximum Price (GMP) Pricing Workbook for the Burdett Park Walking Trails Project prepared for the City of South Fulton, Georgia's General Services Department. The project encompasses the construction of approximately 4,000 linear feet of walking trails across 26.8 acres (9.2-acre park area and 17.6-acre trail area) at 2945 Burdett Road using a Construction Manager at Risk (CMAR) delivery method. The workbook supports four surface alternates: Concrete (ALT A), Synthetic Soft Surface (ALT B), Natural Turf (ALT C), and Gravel Fines (ALT D), with provisions for two creek crossings using either bridge or culvert methods. The workbook includes detailed pricing for both 8-foot and 12-foot trail widths and provides comprehensive cost breakdowns by Construction Specifications Institute (CSI) division, including site preparation, surfacing, drainage, signage, and site restoration.

The base trail construction costs vary significantly by surface type: Concrete at $154,800 (8-foot width) or $156,800 (12-foot width); Synthetic Soft at $321,268.74 (8-foot) or $472,303.11 (12-foot); Natural Turf at $8,862.43 (8-foot) or $12,813.65 (12-foot); and Gravel Fines at $53,112.44 (8-foot) or $74,846.16 (12-foot). Creek crossing costs total $40,000 for two bridge installations at $900 per linear foot with a 40-foot average span. The workbook incorporates soft cost allocations of 35 percent for planning, design, administration, environmental compliance, and construction administration, with additional percentages applied for mobilization (5 percent), bonds and insurance (3 percent), SWPPP/erosion and sediment control (3 percent), and construction contingency (10 percent). The workbook provides template structures for general conditions tracking, monthly cost reporting, contingency logging, risk registers, and cash flow management, though these sections remain unpopulated pending finalization of project parameters and CMAR fee determination.

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Cover

Burdett Park Walking Trails — GMP Pricing Workbook (v2)
Prepared: 2026-02-07
OwnerCity of South Fulton, Georgia – General Services Department
Owner Address4715 Frederick Drive SW
Site Address2945 Burdett Road
Site ID13 0099 LL0311
Project Area26.8 acres (Park Area: 9.2 ac; Trail Area: 17.6 ac)
Delivery MethodConstruction Manager at Risk (CMAR)
NotesWorkbook supports Alternates A–D (Concrete, Synthetic Soft, Natural Turf, Gravel Fines) with two crossings allowance.

Assumptions

InputValueNotes
Trail Length (ft)4000< 1 mile (5,280 ft)
Trail Width (ft)8Typical park walking width
Surface AlternateALT D – Gravel FinesChoose: ALT A – Concrete; ALT B – Synthetic Soft; ALT C – Natural Turf; ALT D – Gravel Fines
Creek Crossings (qty)2Enter 0–2
Crossing MethodBridgeOptions: Bridge or Culvert
Bridge Unit Cost ($/LF)$900Planning default; adjust per supplier
Avg Bridge Span (LF)40Per crossing
Culvert Unit Cost ($/EA)$1,600Typical 24" x 16' example
Mobilization (%)5Placeholder
Bonds & Insurance (%)3Placeholder
SWPPP / E&S (%)3Placeholder
Construction Contingency (%)10Placeholder
Planning/Design/Admin/Env/CA (%)35Soft costs placeholder
DerivedValueFormula/Notes
Trail Area (SF)32,000Computed area

Alternates_Summary

AlternateUnit Cost (per SF)Unit Cost (per LF)Trail Area (SF)Trail Length (LF)Base Trail Cost ($)Notes
ALT A – Concrete$12.00$96.00320004000154800High durability
ALT B – Synthetic Soft$6.00$48.00320004000321268.742716049Engineered soft surface system
ALT C – Natural Turf$0.75$6.003200040008862.4345679012Natural tread with light grading
ALT D – Gravel Fines$2.50$20.0032000400053112.4390123457Crusher/gravel fines over base as needed

Crossings_Calc

ParameterValueNotes
Crossings (qty)2
Method (Bridge/Culvert)Bridge
Bridge Unit Cost ($/LF)$900
Avg Bridge Span (LF)40
Culvert Unit Cost ($/EA)$1,60024" x 16' example; 2.5 required
Bridge Cost ($)$36,000If selected
Culvert Cost ($)$4,000If selected
Total Crossings Cost ($)$40,000

Cost_of_Work_CSI

CSI DivisionBudget ($)Notes
02 Existing Conditions / Select Demo
03 Concrete
04 Masonry
05 Metals
06 Wood/Plastics
07 Thermal & Moisture Protection
08 Openings
09 Finishes
10 Specialties
11 Equipment
12 Furnishings
13 Special Construction
21 Fire Suppression
22 Plumbing
23 HVAC
26 Electrical
27 Communications/IT
28 Electronic Safety & Security
31 Earthwork
32 Exterior Improvements
33 Utilities
Trail Surfacing (Selected Alternate)53112.4390123457Pulls from detailed tabs
Crossings (from Crossings_Calc)4000Total crossings cost
SUBTOTAL – Cost of WorkSum above items

GC_TimePhased

GC ItemM1M2M3M4M5M6M7M8M9M10M11M12Total ($)
Project Manager0
Superintendent0
Project Engineer0
Safety Manager0
Admin/Clerical0
Field Office/Trailer0
Temp Utilities0
Sanitary Facilities0
Waste/Dumpsters0
Fencing & Gates0
Security/Badging0
Small Tools0
Layout/Survey0
Cleaning/Housekeeping0
Testing/Inspections0
Closeout/O&M/Training0
TOTAL GC ($)000000000000

Allowances

Allowance ItemAmount ($)Notes
Two Creek Crossings (via Crossings_Calc)4000Do not double-count if in CSI
Additional Drainage StructuresCross-drains, culverts, armor
Signage/WayfindingKiosks, markers

Unit_Prices

ItemUnitUnit Rate ($)Notes
Earthwork/GradingCY
Crusher Fines SurfacingSF
Concrete PavementSF
Interlocking PaversSF
Synthetic SurfacingSF
Boardwalk/BridgeLF
Culvert (24" x 16')EA

Bid_Packages Package ID Trade Scope Bidders Issue Date Bid Due Award Date Status Notes

Long_Lead_Log Item Spec Section Vendor/Sub Submittal Planned Submittal Actual Approval Date Release Date Fab Lead (wks) Delivery Target On-Site Need Risk Status Mitigation Action

Monthly_Cost_Report

PeriodOriginal GMPApproved COsRevised GMPCosts to DateETCEACVariance to GMPNotes
M1000
M2000
M3000
M4000
M5000
M6000
M7000
M8000
M9000
M10000
M11000
M12000

Cash_Flow

MonthM1M2M3M4M5M6M7M8M9M10M11M12Total
Planned Spend ($)0
Actual Spend ($)0000000000000

Contingency_Log

IDDateDescriptionAmount ($)Approved ByRunning Balance ($)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200

Risk_Register

Risk IDDescriptionProb. (0-1)Impact ($)Exposure ($)OwnerMitigation/Notes
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200

GMP_Summary

ComponentValue ($)Notes
A. Cost of the Work (Subtotal)4000CSI + Selected Alternate + Crossings
B. General ConditionsSum of monthly GCs
C. Mobilization (%)ERROR:#VALUE!Placeholder % applied to CoW+GC
D. Bonds & Insurance (%)ERROR:#VALUE!Placeholder % applied to CoW+GC
E. SWPPP / E&S (%)ERROR:#VALUE!Placeholder % applied to CoW+GC
F. Subtotal (Hard Costs)Cost of Work + GC + A-C
G. Construction Contingency (%)ERROR:#VALUE!Placeholder % of Hard Costs
H. Subtotal incl. Contingency
I. CMAR Fee (%)Enter fee % here
J. CMAR Fee ($)Computed
K. GMP (Construction)ERROR:#VALUE!Subtotal incl. Contingency + CMAR Fee $
L. Soft Costs (Planning/Design/Admin/Env/CA)Placeholder % of GMP
M. Total Project BudgetGMP + Soft Costs

ALT_A_Concrete

ALT A – Concrete Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)8
Trail Area (SF)32000Links to derived area
Concrete Thickness (in)4Editable
Base Thickness (in)6Editable
Waste Factor (%)5Applied to concrete/base volumes
Joint Spacing (ft)12Typical 10–12 ft
Concrete Volume (CY)414.8148148148Area × conc thickness with waste
Base Volume (CY)622.2222222222Area × base thickness with waste
Joint Sawcut (LF)2666.6666666667Transverse joints × width
Edge Forms (LF)8000Two edges × length
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF320000.154800Surface vegetation removal
Subgrade Proof-rollingLS120002000Allow 1 LS
Granular BaseCY622.22222222226037333.33333333336" base
Concrete 4"CY414.814814814818074666.6666666667Broom finish; air-entrained
Joint SawcutLF2666.66666666671.54000Transverse joints
Edge FormsLF80002.520000If not slipformed
Sawcut Sealing/Backer (if req.)LF0.750Optional
ADA Truncated Domes (where req.)EA3500At road crossings
Site Restoration/ShouldersLF80001.512000Shoulder grading/seed
Subtotal ($)154800
Contingency (Editable %)
Total Trail Construction (ALT A)154800

ALT_B_SyntheticSoft

ALT B – Synthetic Soft Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)8
Trail Area (SF)32000
Synthetic System ($/SF)6Enter vendor pricing as needed
Base Thickness (in)4Editable
Waste Factor (%)5Applied to base volume
Avg Trim/Fill Depth (in)1Light shaping depth
Base Volume (CY)837.5308641975Area × base thickness × (1+waste)
Trim/Fill Volume (CY)0.0987654321Area × trim depth
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF80.120.96Surface vegetation removal
Subgrade ShapingCY0.0987654321121.1851851852Light cut/fill
Geotextile Separator (opt)SF80.32.4If required
Aggregate BaseCY837.53086419755546064.1975308642Base for synthetic system
Synthetic SurfacingSF832000256000System price ($/SF)
Edge TransitionsLF80001.29600Tie-in to natural ground
Site Restoration/ShouldersLF80001.29600Shoulder grading/seed
Subtotal ($)321268.742716049
Contingency (Editable %)
Total Trail Construction (ALT B)321268.742716049

ALT_C_NaturalTurf

ALT C – Natural Turf Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)8
Trail Area (SF)32000
Avg Trim/Fill Depth (in)1Light grading depth
Shoulder Width (ft)2Each side
Sod Coverage (%)0Percent of shoulder area to sod
Trim/Fill Volume (CY)790.1234567901Area × depth
Shoulder Seeding Area (SF)80002 sides × length × shoulder width
Sod Area (SF)0Coverage % × shoulder area
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF80.10.8Vegetation removal along tread
Light Grading (cut/fill)CY790.1234567901107901.2345679012Minor shaping
Rolling/CompactionSF80.050.4Finish rolling
Seeding & Mulch (shoulders)SF80000.12960Stabilization of edges
Sodding (shoulders/select areas)SF01.80Rapid stabilization as needed
Cross-Drain Culverts (opt)EA5000If required outside main crossings
Silt Fence / E&S ControlsLF2.50As required by SWPPP
Subtotal ($)8862.4345679012
Contingency (Editable %)
Total Trail Construction (ALT C)8862.4345679012

ALT_D_GravelFines

ALT D – Gravel Fines Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)8
Trail Area (SF)32000
Fines Thickness (in)3Editable
Base Thickness (in)0Enter >0 if base needed
Waste Factor (%)5Applied to volumes
Avg Trim/Fill Depth (in)1Light shaping depth
Fines Volume (CY)790.1234567901Area × fines thickness × (1+waste)
Base Volume (CY)0.0740740741Area × base thickness × (1+waste)
Trim/Fill Volume (CY)0.1234567901Area × trim depth
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF80.120.96Vegetation removal along tread
Subgrade ShapingCY0.0740740741120.8888888889Light cut/fill
Geotextile Separator (opt)SF80.32.4If required
Aggregate Base (if any)CY790.12345679015543456.7901234568Only if base>0
Gravel/Crusher Fines (CY)CY14545Priced by volume
Gravel/Crusher Fines (SF)SF80.86.4Alternate area pricing (optional)
Rolling Grade Dips / DrainageEA1500Quantity as needed
Site Restoration/ShouldersLF80001.29600Shoulder grading/seed
Subtotal ($)53112.4390123457
Contingency (Editable %)
Total Trail Construction (ALT D)53112.4390123457

ALT_A_Concrete_12ft

ALT A – Concrete Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)12
Trail Area (SF)32000Links to derived area
Concrete Thickness (in)4Editable
Base Thickness (in)6Editable
Waste Factor (%)5Applied to concrete/base volumes
Joint Spacing (ft)12Typical 10–12 ft
Concrete Volume (CY)414.8148148148Area × conc thickness with waste
Base Volume (CY)622.2222222222Area × base thickness with waste
Joint Sawcut (LF)4000Transverse joints × width
Edge Forms (LF)8000Two edges × length
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF320000.154800Surface vegetation removal
Subgrade Proof-rollingLS120002000Allow 1 LS
Granular BaseCY622.22222222226037333.33333333336" base
Concrete 4"CY414.814814814818074666.6666666667Broom finish; air-entrained
Joint SawcutLF40001.56000Transverse joints
Edge FormsLF80002.520000If not slipformed
Sawcut Sealing/Backer (if req.)LF0.750Optional
ADA Truncated Domes (where req.)EA3500At road crossings
Site Restoration/ShouldersLF80001.512000Shoulder grading/seed
Subtotal ($)156800
Contingency (Editable %)
Total Trail Construction (ALT A)156800

ALT_B_SyntheticSoft_12ft

ALT B – Synthetic Soft Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)12
Trail Area (SF)32000
Synthetic System ($/SF)6Enter vendor pricing as needed
Base Thickness (in)4Editable
Waste Factor (%)5Applied to base volume
Avg Trim/Fill Depth (in)1Light shaping depth
Base Volume (CY)1256.2962962963Area × base thickness × (1+waste)
Trim/Fill Volume (CY)0.1481481481Area × trim depth
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF120.121.44Surface vegetation removal
Subgrade ShapingCY0.1481481481121.7777777778Light cut/fill
Geotextile Separator (opt)SF120.33.6If required
Aggregate BaseCY1256.29629629635569096.2962962963Base for synthetic system
Synthetic SurfacingSF1232000384000System price ($/SF)
Edge TransitionsLF80001.29600Tie-in to natural ground
Site Restoration/ShouldersLF80001.29600Shoulder grading/seed
Subtotal ($)472303.114074074
Contingency (Editable %)
Total Trail Construction (ALT B)472303.114074074

ALT_C_NaturalTurf_12ft

ALT C – Natural Turf Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)12
Trail Area (SF)32000
Avg Trim/Fill Depth (in)1Light grading depth
Shoulder Width (ft)2Each side
Sod Coverage (%)0Percent of shoulder area to sod
Trim/Fill Volume (CY)1185.1851851852Area × depth
Shoulder Seeding Area (SF)80002 sides × length × shoulder width
Sod Area (SF)0Coverage % × shoulder area
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF120.11.2Vegetation removal along tread
Light Grading (cut/fill)CY1185.18518518521011851.8518518519Minor shaping
Rolling/CompactionSF120.050.6Finish rolling
Seeding & Mulch (shoulders)SF80000.12960Stabilization of edges
Sodding (shoulders/select areas)SF01.80Rapid stabilization as needed
Cross-Drain Culverts (opt)EA5000If required outside main crossings
Silt Fence / E&S ControlsLF2.50As required by SWPPP
Subtotal ($)12813.6518518519
Contingency (Editable %)
Total Trail Construction (ALT C)12813.6518518519

ALT_D_GravelFines_12ft

ALT D – Gravel Fines Detailed Pricing
ParameterValueNotes
Trail Length (ft)4000
Trail Width (ft)12
Trail Area (SF)32000
Fines Thickness (in)3Editable
Base Thickness (in)0Enter >0 if base needed
Waste Factor (%)5Applied to volumes
Avg Trim/Fill Depth (in)1Light shaping depth
Fines Volume (CY)1185.1851851852Area × fines thickness × (1+waste)
Base Volume (CY)0.1111111111Area × base thickness × (1+waste)
Trim/Fill Volume (CY)0.1851851852Area × trim depth
ItemUnitQtyUnit Rate ($)Cost ($)Notes
Clearing & GrubbingSF120.121.44Vegetation removal along tread
Subgrade ShapingCY0.1111111111121.3333333333Light cut/fill
Geotextile Separator (opt)SF120.33.6If required
Aggregate Base (if any)CY1185.18518518525565185.1851851852Only if base>0
Gravel/Crusher Fines (CY)CY14545Priced by volume
Gravel/Crusher Fines (SF)SF120.89.6Alternate area pricing (optional)
Rolling Grade Dips / DrainageEA1500Quantity as needed
Site Restoration/ShouldersLF80001.29600Shoulder grading/seed
Subtotal ($)74846.1585185185
Contingency (Editable %)
Total Trail Construction (ALT D)74846.1585185185

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