CUSTOMER CONCENTRATIONS (Details) - customer			12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Customer Concentration Risk | Accounts Receivable
Customer Concentrations
Number of customers			4	3
Customer Concentration Risk | Contract Asset
Customer Concentrations
Number of customers		2	4
Customer Concentration Risk | Major Customer One | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments			22.00%	16.00%
Customer Concentration Risk | Major Customer One | Contract Asset
Customer Concentrations
Percentage of major customers or segments	26.00%	39.00%
Customer Concentration Risk | Major Customer Two | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments			16.00%	14.00%
Customer Concentration Risk | Major Customer Two | Contract Asset
Customer Concentrations
Percentage of major customers or segments	15.00%	32.00%
Customer Concentration Risk | Major Customer Three | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments			13.00%	14.00%
Customer Concentration Risk | Major Customer Three | Contract Asset
Customer Concentrations
Percentage of major customers or segments	15.00%
Customer Concentration Risk | Major Customer Four | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	10.00%
Customer Concentration Risk | Major Customer Four | Contract Asset
Customer Concentrations
Percentage of major customers or segments	13.00%
Power Industry Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments			79.30%	72.60%	76.00%
Power Industry Services | Customer Concentration Risk | Revenue
Customer Concentrations
Number of customers			3	3	2
Power Industry Services | Customer Concentration Risk | Major Customer One | Revenue
Customer Concentrations
Percentage of major customers or segments			28.00%	19.00%	38.00%
Power Industry Services | Customer Concentration Risk | Major Customer Two | Revenue
Customer Concentrations
Percentage of major customers or segments			13.00%	16.00%	12.00%
Power Industry Services | Customer Concentration Risk | Major Customer Three | Revenue
Customer Concentrations
Percentage of major customers or segments			10.00%	15.00%
Industrial Construction Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments			19.20%	24.90%	20.40%
Telecommunication Infrastructure Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments			1.50%	2.50%	3.60%