菜单
Heavy civil and infrastructure construction including highways, bridges, tunnels, utilities, and public works projects.
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基于 SOC 职业分类
Building envelope systems including curtain wall, roofing, waterproofing, cladding, and the four control layers for construction managers.
Guides PMs on contemporaneous recordkeeping, delay notices, and documentation practices that support potential construction claims.
Guides construction PMs through building commissioning, TAB, punch lists, O&M documentation, warranties, and project closeout.
Contract administration guidance for construction PMs—notice requirements, change orders, T&M documentation, claims, liens, and subcontract management.
Guidance for construction PMs on correctional facilities, jails, and detention centers including security systems, codes, and specialized building requirements.
Construction management for museums, cultural centers, galleries, archives, and institutional facilities requiring specialized environmental control and collection protection.
| name | heavy-civil-infrastructure-construction |
| description | Heavy civil and infrastructure construction including highways, bridges, tunnels, utilities, and public works projects. |
Comprehensive guidance for construction project managers working on highways, bridges, utilities, and infrastructure projects. Covers public agency procurement, federal-aid requirements, DOT specifications, and specialized heavy civil construction methods.
| Project Type | Typical Duration | Contract Value Range | Key Owner Types | Primary Funding |
|---|---|---|---|---|
| Highway Widening | 18-36 months | $20M-$200M | State DOT | Federal-aid, State |
| Bridge Replacement | 12-24 months | $5M-$50M | State DOT, County | Federal-aid, State |
| Interchange Construction | 24-48 months | $50M-$300M | State DOT | Federal-aid |
| Water Main | 6-18 months | $2M-$30M | Municipality, Authority | Local, SRF |
| Wastewater Treatment | 24-48 months | $50M-$500M | Authority, Municipality | SRF, EPA grants |
| Rail/Transit | 36-72 months | $100M-$2B+ | Transit Authority | FTA, State |
| Tunnel | 36-84 months | $200M-$3B+ | State DOT, Transit | Federal-aid, FTA |
| Dam Rehabilitation | 18-36 months | $10M-$100M | USACE, State Dam Safety | Federal, State |
| Factor | Design-Bid-Build | Design-Build | CMGC | P3 |
|---|---|---|---|---|
| Best For | Standard projects | Complex, fast-track | High risk, unknown conditions | Large, long-term |
| Risk Allocation | Owner holds most | Contractor holds design risk | Shared | Private partner |
| Price Certainty | At bid opening | At proposal | GMP negotiated | At financial close |
| Schedule | Sequential | Overlapped | Collaborative | Accelerated |
| Selection | Low bid | Best value | Qualifications | Best value |
| State Authorization | All states | Most states | Limited states | Limited states |
| Requirement | Timing | Reference |
|---|---|---|
| NEPA Approval | Before ROW/construction | 23 CFR 771 |
| Authorization to Advertise | Before advertising | FHWA Form |
| Buy America | Pre-qualified materials | 23 CFR 635.410 |
| Davis-Bacon Wages | All federal-aid | 23 CFR 635.117 |
| DBE Goal | Included in bid documents | 49 CFR 26 |
| FHWA Form 1273 | In every contract | 23 CFR 635.108 |
| Authorization to Award | Before award | FHWA Form |
| Concurrence in Award | Before execution | 23 CFR 635.114 |
| Work Type | Primary Standards | Key References |
|---|---|---|
| Highway Geometry | AASHTO Green Book | A Policy on Geometric Design |
| Bridge Design | AASHTO LRFD | Bridge Design Specifications |
| Traffic Control | MUTCD | Parts 6C-6I |
| Pavement Design | AASHTO | Guide for Design of Pavement Structures |
| Rail/Track | AREMA | Manual for Railway Engineering |
| Water/Sewer | AWWA, WEF | C-series, M-series |
| Erosion Control | EPA CGP | State NPDES permits |
| Airport | FAA | AC 150 series |
| Item | Typical Unit | Measurement Method |
|---|---|---|
| Clearing and Grubbing | Acre/Lump Sum | Area computation |
| Unclassified Excavation | Cubic Yard | Cross-sections |
| Embankment | Cubic Yard | Cross-sections |
| Aggregate Base | Cubic Yard/Ton | Plan quantity or weight |
| Hot Mix Asphalt | Ton | Certified scales |
| Portland Cement Concrete Pavement | Square Yard | Plan area |
| Structural Concrete | Cubic Yard | Plan quantity |
| Reinforcing Steel | Pound | Plan quantity |
| Pipe Culvert | Linear Foot | Measured length |
| Erosion Control | Various | Per plan/each |
| Maintenance of Traffic | Lump Sum/Day | Calendar day |
| Aspect | Heavy Civil | Vertical Construction |
|---|---|---|
| Owner | Public agencies (DOT, authorities) | Private, developers |
| Procurement | Public bidding, low bid common | Negotiated, GMP common |
| Contract Type | Unit price typical | Lump sum typical |
| Specifications | DOT standard specs | CSI MasterFormat |
| Inspection | Agency resident engineers | Third-party or owner |
| Payment | Monthly estimates, retainage | AIA G702/G703 |
| Change Orders | Contract modification, differing conditions | CCD, PCO process |
| Schedule Impacts | Weather days, utility delays | Owner delays, RFIs |
| Bonding | 100% P&P bonds required | Often waived for large contractors |
| Safety | Work zone, MOT, public interface | Site-based, enclosed |
Subject: RFI [#] - [System] - [Location (STA+offset or grid)]
Question:
[Clear, specific question - 2-3 sentences max]
Contract Reference:
- Drawing: [Sheet number and detail]
- Specification: [Section and paragraph]
- Standard Drawing: [State DOT std dwg number]
Existing Condition/Observation:
[What was found in the field, with photos if applicable]
Proposed Resolution:
[Contractor's suggested approach]
Cost Impact: [None / Potential / Quantified $X]
Schedule Impact: [None / Potential / X working days]
Response Needed By: [Date - justify criticality]