Contact Info
Xi'an, Shaanxi Province, China service@jiayinetwork.com +86 18091738064
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Quantity Surveying & Cost Consulting

We provide full-lifecycle cost services including estimation, BOQ, tender support and settlement audit.

  • Cost Estimation & BOQ Preparation

At the early planning stage, we provide preliminary investment estimation based on project scale, building type and historical data of similar finished projects, supporting clients to make rational investment decisions and adjust project scale. After construction drawings are finalized, quantity surveyors take off engineering quantities item by item following local measurement rules. We sort all work items, match unit rates and compile complete BOQ documents with item descriptions, quantities and comprehensive prices. Meanwhile, we compare different material options and construction techniques, analyze cost differences, and put forward targeted optimization suggestions to cut redundant investment without lowering the agreed construction quality standards.

  • Tender Support & Final Account Audit

In the bidding phase, we assist clients to prepare tender documents, sort out work scope, technical requirements and contract clauses, and check the completeness of BOQ items to avoid missing items that may trigger cost disputes later. After receiving contractor bids, we support bid evaluation, screen abnormally high or low quotations and analyze potential bidding risks for employers. When construction is completed, we collect drawings, change orders, site visas, material approval sheets and acceptance documents for settlement audit. We recheck actual completed quantities, verify the validity of visas and change orders, communicate fairly with all contractors to resolve quantity and price disputes, and deliver formal audit reports together with summarized cost indicators for your future project reference.

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