Construction Planning & Management

SubTerra Inc. offers a broad range of services related to planning and construction management for mining and tunneling.

In-house facilities & equipment

  1.  Fully equipped AutoCAD system with full size digitizing and full size color plotting capabilities;
  2. Project management software on desk top and portable PCs;
  3. Direct office based and remote internet access;
  4. Large construction cost database.

Design Review and Specification Preparation using Construction Specifications Institute (CSI) 3-part format or alternative client specified formats. Expertise, and draft specifications, are available for:

Standard Specifications for Tunneling

Standard Specifications for Tunneling (steel sets, rock bolting, concrete and shotcrete, concrete reinforcement, controlled drilling and blasting, rail and track, chemical grouting, cementitious grouting, rock drilling, ventilation, mechanical excavation, instrumentation)

Specifications for support contract work

Specifications for support contract work including surveying, laboratory testing, construction quality assurance.

Contract bid documents

Contract bid documents (scope, bid instructions, bid form and price list, contract agreement, general conditions, standard forms and exhibits, special conditions, QA/QC, health and safety). This standard bid package format may be simply and inexpensively customized to meet client needs.

Construction Take-offs and Cost Estimating. SubTerra, Inc.’s specialist expertise in tunneling and underground construction provides a unique base for assisting Contractors with construction bid preparation. Our capabilities in risk assessment and our expertise in using probabilistic tools are applied to quantifying bid risk and to the evaluation of bid proposals.

Design Review and Specification Preparation

Design Review and Specification Preparation using Construction Specifications Institute (CSI) 3-part format or alternative client specified formats. Expertise, and draft specifications, are available for:

Standard Specifications for Tunneling

Standard Specifications for Tunneling (steel sets, rock bolting, concrete and shotcrete, concrete reinforcement, controlled drilling and blasting, rail and track, chemical grouting, cementitious grouting, rock drilling, ventilation, mechanical excavation, instrumentation)

Specifications for support contract work

Specifications for support contract work including surveying, laboratory testing, construction quality assurance.

Contract bid documents

Contract bid documents (scope, bid instructions, bid form and price list, contract agreement, general conditions, standard forms and exhibits, special conditions, QA/QC, health and safety). This standard bid package format may be simply and inexpensively customized to meet client needs.

Construction Take-offs and Cost Estimating

Construction Take-offs and Cost Estimating. SubTerra, Inc.’s specialist expertise in tunneling and underground construction provides a unique base for assisting Contractors with construction bid preparation. Our capabilities in risk assessment and our expertise in using probabilistic tools are applied to quantifying bid risk and to the evaluation of bid proposals.

Construction Scheduling

Computerized scheduling using MS Project, Timeline, Primavera or client specified software. Development of detailed WBS for complex projects, deliverable schedules and milestones. Capabilities exist to utilize probabilistic techniques for special projects.

Contractor Support During Construction

Preparation of contract deliverables and submittals, trouble shooting, and expert support for preparation of and/or review of claims.

Construction Management

Bid review, contract negotiation and award; develop baseline and maintain project schedules and cost accounts; review and approve Contractor invoices; review technical and material submittals; develop agenda for and chair prebid and construction meetings; negotiate, review, and approve change orders; provide overall coordination of major construction, survey, and testing/inspection subcontractors.