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Generate the complete paper package that contractors need to build a system — Bill of Materials, installation sequences, commissioning tests, and Operations & Maintenance manuals — from verified engineering designs.
Activation: After the Architect, Calculator, and Safety agents complete a design and the blueprint engine has generated drawings. InfrastructureRequest with outputFormat including 'construction'.
Four output types:
Bill of Materials (BOM): Structured material list with quantities, part numbers, and suppliers extracted from verified design calculations.
Installation Sequence: Code-driven ordering of construction activities with trade assignments, prerequisites, and inspection hold points.
Commissioning Checklists: Pre-commissioning test procedures (hydrostatic, megger) and system startup procedures with acceptance criteria.
O&M Manual: Maintenance schedules, spare parts lists, operating procedures, and emergency procedures for the completed system.
When to use: Design is verified and safety-reviewed, ready for construction. All calculations must pass Safety Warden review before generating construction documents.
Key constraint: All construction documents require review by a licensed Professional Engineer before use in procurement, construction, or installation.
ENGINEERING DISCLAIMER: All construction documents generated by this skill are AI-assisted drafts. They MUST be reviewed, stamped, and signed by a licensed Professional Engineer (PE) before use in procurement, construction, installation, or commissioning. Local building codes, jurisdictional requirements, and site-specific conditions may impose additional requirements not captured here. User assumes all responsibility for PE review and code compliance.
Quick start: Provide a completed BlueprintPackage (from the blueprint engine) and this skill generates all four document types. Templates are available in @references/templates/ for customization.
The BOM is derived from verified design calculations and drawings. Each CalculationRecord in the BlueprintPackage identifies materials by their engineering specifications; the BOM skill translates these into procurement-ready line items.
Extraction process:
Parse P&ID drawings for pipe sizes, fittings, valves, and equipment tags
Parse SLD drawings for conductors, conduit, panelboards, and protective devices
Cross-reference with CalculationRecord outputs for exact sizing (pipe NPS, conductor AWG, equipment ratings)
Apply material specifications from design basis (ASTM pipe grades, NEC conductor types, equipment model numbers)
Add supports, hangers, and insulation per ASME B31.9 (pipe) and NEC 300 (conduit) spacing requirements
Include consumables (welding rod, solder, tape, sealant, fasteners)
Standard BOM Columns
Every BOM must include these columns:
Column
Description
Example
Line Number
Sequential identifier by category
100, 101, 102...
Item Description
Engineering description with specification
"Carbon steel pipe, 3" SCH 40, ASTM A53 Gr B"
Part Number
Manufacturer part number (if applicable)
"VIC-77"
Quantity
Count or measured amount
150
Unit
Unit of measure
EA, LF, SF, SET
Unit Cost
Estimated cost per unit (if known)
$12.50
Supplier
Preferred vendor or manufacturer
"Ferguson"
Notes
Installation notes, alternatives, lead time
"Per ASTM A53 Gr B, 21-day lead"
Material Categories
Organize BOM by category with line number ranges:
Category
Line Range
Contents
Pipe and Fittings
100-199
Pipe by size/material, elbows, tees, reducers, flanges, unions, couplings
Valves
200-249
Gate, globe, ball, check, butterfly, control valves by size and class
The hydrostatic test verifies piping system integrity before insulation and concealment.
Test parameters per IPC 312.5:
Parameter
Requirement
Test pressure
1.5x maximum working pressure, minimum 100 PSI, maximum 500 PSI
Hold time
15 minutes minimum
Acceptance criteria
No pressure loss greater than 5 PSI during hold period
Medium
Clean water (potable for domestic systems)
Temperature
Ambient (not below 40 deg F to prevent freezing)
Test equipment requirements:
Calibrated pressure gauge: 2" face minimum, 1% accuracy class
Gauge range: test pressure at 50-75% of gauge full scale
Hand pump or hydrostatic test pump
Isolation valves (ball or gate, not butterfly)
Temporary test caps or blind flanges
Procedure:
Isolate system from permanent equipment (remove pressure relief valves, install temporary caps)
Fill system with clean water, vent all air from high points
Pressurize slowly to test pressure
Record initial pressure and time
Hold for 15 minutes; record pressure at 5-minute intervals
Pass: pressure drop less than or equal to 5 PSI over 15 minutes
Fail: locate and repair leaks, repeat test from step 2
Common failure causes: Threaded joint not properly sealed, flange gasket improperly seated, valve packing not tightened, temporary cap cross-threaded.
Megger Test — Insulation Resistance (IEEE 43)
The megger test verifies conductor insulation integrity before energization.
Test parameters per IEEE 43:
Parameter
Systems up to 1000V
Systems 1001-5000V
Test voltage
500 VDC
1000 VDC
Minimum acceptable IR
1 MOhm (absolute minimum)
1 MOhm (absolute minimum)
Practical minimum (new)
100 MOhm
100 MOhm
Duration
1 minute (standard reading)
1 minute + optional 10-minute PI test
Polarization Index (PI)
PI = IR_10min / IR_1min, target > 2.0
PI > 2.0 required
Test setup:
All conductors tested phase-to-phase and phase-to-ground
Far end of each conductor disconnected (open circuit)
All sensitive electronics (VFDs, UPS control boards) disconnected before testing
Ambient conditions recorded (temperature and humidity affect IR readings)
Polarization Index interpretation:
PI Value
Insulation Condition
< 1.0
Dangerous — do not energize
1.0 - 2.0
Questionable — investigate further
2.0 - 4.0
Good — acceptable for service
> 4.0
Excellent — clean, dry insulation
Common issues: Low IR readings caused by moisture in conduit (drain and dry), contaminated terminations (clean with solvent), damaged insulation during wire pull (inspect and repair).
Test Equipment Calibration
All test instruments must have current calibration certificates:
Instrument
Calibration Interval
Standard
Pressure gauge
12 months
ASME B40.100
Megger/insulation tester
12 months
NIST-traceable
Multimeter
12 months
NIST-traceable
Torque wrench
12 months
ISO 6789
Documentation Requirements
Each test must document:
Project name, system identification, drawing reference
Test date, ambient conditions (temperature, humidity)
Technician name and license/certification number
Test instrument make, model, serial number, calibration date
Before any system startup, complete visual and mechanical verification:
Mechanical systems:
All piping connections tight and leak-free (post hydrostatic test)
All valves in correct position (open/closed per startup sequence)
Pump alignment verified (laser alignment for coupled pumps)
Strainers installed and clean
Expansion tank pre-charge verified
Chemical treatment system charged and operational
All temporary test equipment removed
Insulation complete on all specified piping
Electrical systems:
All terminations torqued to manufacturer specification
All megger test results acceptable (IR > 100 MOhm for new installations)
Breaker settings verified against coordination study
Ground fault protection tested and operational
Arc flash labels installed per NEC 110.16
All temporary jumpers and bypasses removed
UPS battery string voltage verified
Emergency power off (EPO) system tested
Sequential Startup Procedure
For data center infrastructure, follow this startup order:
Step 1: Utility Power (Day 1)
Energize main switchgear from utility
Verify voltage at main bus (all three phases within +/- 2%)
Energize step-down transformers
Verify secondary voltage at each transformer
Step 2: UPS Systems (Day 1-2)
5. Start UPS in bypass mode first (verify output voltage)
6. Transfer to online (double-conversion) mode
7. Verify UPS output: voltage (+/- 1%), frequency (+/- 0.1 Hz)
8. Perform battery discharge test (verify runtime meets specification)
Step 3: Power Distribution (Day 2)
9. Energize floor-standing PDUs from UPS output
10. Verify PDU output voltage and phase balance (within +/- 10%)
11. Energize rack PDUs
12. Apply test loads (portable load banks) to verify capacity
Step 4: Cooling — Mechanical (Day 3)
13. Start chilled water pumps (verify flow rate with ultrasonic meter)
14. Start CDU secondary pumps
15. Verify flow to each rack manifold
16. Check for leaks at all connections under operating pressure
Step 5: Cooling — Thermal Verification (Day 3-4)
17. Apply thermal load (load banks or actual IT equipment)
18. Verify supply and return temperatures at each CDU
19. Verify design DeltaT is achieved
20. Check approach temperatures at heat exchangers
Acceptance Criteria
System
Parameter
Acceptance
Power
Voltage (line-to-line)
+/- 2% of nominal
Power
Frequency
+/- 0.1 Hz of 60 Hz
Power
Phase balance
Within 10% across A, B, C
UPS
Transfer time
< 4 ms (online double-conversion)
UPS
Battery runtime
Meets or exceeds design specification
Cooling
Flow rate
Within 10% of design GPM
Cooling
Supply temperature
Within 2 deg F of setpoint
Cooling
DeltaT
Within 20% of design DeltaT
Cooling
Leak test
Zero visible leaks at operating pressure
Punch List Process
Non-conforming items discovered during commissioning:
NEC 110.3(B): All electrical equipment must be installed per the manufacturer's listed and labeled instructions. Deviation requires AHJ approval.
NEC 110.12: Mechanical execution of work. Electrical equipment must be installed in a neat and workmanlike manner. Internal wiring must be neatly bundled, connections properly torqued, and unused openings closed.
NEC 110.26: Working space about electrical equipment. Minimum clearances:
30" minimum width or width of equipment, whichever is greater
78" minimum headroom
NEC 250 (Grounding and Bonding):
Equipment grounding conductor required in all raceways (250.118)
Grounding electrode system must be complete before first energization (250.50)
Bonding of building steel and water piping per 250.52 and 250.104
NEC 300.4: Protection of conductors against physical damage. Cables and raceways within 1.5" of framing must be protected by steel plates.
NEC 690.12: Rapid shutdown for PV systems — conductors outside array boundary must de-energize to less than 30V within 30 seconds of shutdown initiation.
IPC/UPC Code References for Plumbing
IPC 312.5: Hydrostatic pressure test for DWV systems. Test at no less than 10-foot head of water (4.3 PSI) for 15 minutes with no pressure loss.
IPC 312.3: Water supply system pressure test. Test at working pressure plus 50% (minimum 40 PSI) for 15 minutes.
IPC Chapter 3 (General Regulations):
Rough-in inspection before concealment (jurisdictional, but nearly universal)
Pipe identification (color coding per ASME A13.1) required for exposed piping
Access panels required for concealed valves and cleanouts
UPC 609.4: Maximum velocity in water distribution piping: 8 ft/s for pipe sizes up to 2", 6 ft/s for pipe sizes above 2". Higher velocities risk erosion and water hammer.
ASHRAE Guideline 0-2019 Commissioning Process
The commissioning process spans the entire project lifecycle:
Phase
Activities
Owner
Pre-design
Develop Owner's Project Requirements (OPR)
Owner + CxA
Design
Develop Basis of Design (BOD), review design documents
Designer + CxA
Construction
Verify installation per design, witness pre-functional tests
Contractor + CxA
Acceptance
Functional performance testing, seasonal testing
CxA
Post-occupancy
10-month warranty review, ongoing commissioning plan
Owner + CxA
CxA = Commissioning Authority (independent third party for LEED projects).
Data Center Documentation Standards
BICSI 002 (Data Center Design and Implementation Best Practices):
Requires as-built documentation within 90 days of substantial completion
Hot/cold aisle documentation including airflow diagrams
Cable management documentation with port mapping
Power chain documentation from utility to rack outlet
TIA-942 (Telecommunications Infrastructure Standard for Data Centers):
Tier-level documentation requirements scale with Tier rating
