The conceptual costs of implementing the recommendations outlined in this Preservation Plan will vary with time and sequence of implementation and the method of execution. Construction and rehabilitation costs are very sensitive to the scope of the project, timing of the contract, and to the variety and number of specialized crafts required. Generally, it will be more efficient to perform all restoration at once rather than over a long period of time.
A conceptual budget has been developed and assumes the following:
x Prevailing wage rates for the locality;
x 20% of material and labor costs for the general contractor’s overhead and profit;
x The costs of labor plus 30% for taxes and insurance;
x Adjustments for costs of possible special materials;
x Adjustments for increased installation costs due to cutting and fitting of existing work;
x Costs for scaffolding, temporary protection, project sign, construction trailers, temporary utilities, and debris disposal.
Although conservative, the conceptual budget does not include:
x Escalation of costs during implementation;
x Soft costs other than professional design services;
x Permits and applications to governing agencies;
x Costs for collections relocation and protection during construction;
x Hazardous materials abatement;
x Furnishings, fixtures, exhibits or interpretation.
The conceptual costs were generated by Watson & Henry Associates using published construction cost data and cost information data from similar projects. Quantities were approximated based on sketches of existing
arrangements. Adjustments have been made from our on-site observations of the complexity of the work as well as the condition of the historic fabric.
x Subtotal Construction $ 329,968.00
x Contingency @ 20% $ 65,994.00
x Construction total $ 395,962.00
x Professional Services, design & contract administration @ 15% $ 59,394.00
x Reimbursable expenses $ 5,000.00
x Professional Services total $ 64,394.00
x Project Concept Total $ 460,356.00
A Conceptual Cost Study with activities broken down according to CSI divisions is included in Appendix E.
MAINTENANCE
Recommendations
The restoration/rehabilitation of the Cumberland Nail and Iron Company Office will represent a sizable project and capital investment for the City of Bridgeton. The building will benefit from continuing long-term preventive conservation and maintenance, particularly for the new systems. The City of Bridgeton will have to plan operating expenses to include the preventive maintenance required for the new systems and equipment.
Ideally, routine maintenance should be performed by a skilled individual with property maintenance experience, supplemented by training in the special requirements for maintaining historic buildings. Long-term maintenance activities should be planned and performed with the same care and philosophical regard as preservation and restoration activities.
The long-term, cyclic maintenance plan should include periodic inspection and maintenance of the exterior coatings, sealants, flashing, windows, roofing, and rainwater drainage system. These elements are critical to the performance of the exterior envelope in protecting the structure from the entry of water. An essential part of a long-term maintenance plan should be an annual inspection of the structure by a preservation professional. The maintenance plan should be developed based on the systems and materials installed as part of the restoration phases.
A monthly, semi-annual and annual check list is included in Appendix J.
End of Recommendations
Recommendations
Endnotes Recommendations
1 http://www.ultra-aire.com/index.php?option=com_content&view=article&id=65&Itemid=5
2 http://www.ultra-aire.com/index.php?option=com_content&view=article&id=65&Itemid=5
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