Supply of Various Technical and Electrical Items for Directorate of Technical Support Karachi

The Directorate of Technical Support Karachi invites sealed tenders on F.O.R Karachi basis from reputable firms, stockiest, dealers, wholesalers, manufacturers registered with the tax department and having their own offices with telephone number and NTN/STRN numbers. Items being procured: - SWRO TORAY Membrane - Consumables (Contact Cleaners, Cleaning Wipes, Cables, Tapes, Lugs) - Panel AC's (Envicool Outdoor Power Cabinet AC) for Power Transformer Cooling Bank Control Panel - Manual Seawater Butterfly Valve - Customized O-Rings - Helicoflex Gasket - RII Seals - Dust Filter Roll - Hydrogen Gas Cylinder and Pressure Regulators - High Pressure and Low Pressure Refrigerant Gauges - Custom-built, double sided PCBs - Probe for Video Borescope (MV10 touch) - Slings & Shackle - Water Bath - Exercise Machine - Portable Sodium Ion Analyzer - Total Acid Number and Total Base Number Certified Standards - Filter and Filter Holder - Degassed Cation Conductivity Analyzer - Lab Equipment - SEPLITE Monojet MB860NK - Sodium Hypochloride - Low Density Polythene Sheets, PVC Plastic Sheets & Chin guards Straps - EDTA 4Na (Ethylenediaminetetraacetic Acid extra-sodium Salt) - Dehumidifier - Pipes and Fittings - Citric Acid - Sulphuric Acid - Liquid Carbon Dioxide (99.5% Pure) - Re-Filling of Ammonia Gas Cylinders >= 99.6% - Sodium Hydroxide (32%) - Dell Sever Machine, Sever Racks & Huawei Osean Stor Dorado Storage - Dosing Motor Pump Set (Make: Grundfos) - Low Voltage Relays and Current Transformers - Electrical Extension Board, Power Sockets, Cable Clips and PVC Ducts - GFM-800C VRLA Batteries (Make: Shandong Sacred Sun, China) - 250KVA Kiosk Type Pad Mounted Transformer - Electrical Panels - Video Monitoring and Recording System - AC Motors - High Bay Lights - Sampling Box (Neoprene) Gloves - Crane Electrical Spares and Automatic Transfer Switches - Fluke 1775 Power Quality Analyzer with Accessories - Wires and Holders for LED Tubes Light - 110VDC Charger Module and Breakers (Shenzhen Auto Electric Power) - Dry type Rectifier Transformer ZSC8-1800:6.6 - LV Induction Motors (make: Wolong, SIEMENS, HYUNDAI, Grundfos) - Electrical LV Panel Spares (Circuit Breaker, Contactors, Meters, AVR (Baselor), Mechanical Earthing switch and Indicators) - Low Voltage Motors - Low Voltage Spares of Chiller - LED Monitor - LED Tubes Light - Doors Lock for Electrical Panels - 2.5V handheld Insulation Resistance Tester (Megger) - Low density Polythene Sheet, PVC Plastic sheet & Chin Guard - Civil Repair & Maintenance Works Contract - Server Machines for Deployment of TIMeS/ Evolve-Pro System - Cation Resin (SEPLITE Monojet SC7100NH) - Cables and Accessories - EHO Diaphragms & Seat - Check valves And Pressure Regulating Valves - Lifting Gears, Shackles, Chain- Blocks, Polyester Slings, Barrel Lifting Tools - Stainless Steel Pipes and Fittings - Jiangsu Shentong & Shanghai Liangong Valve Spares - Butterfly Valve - Kentintrol 900 Class Control Valve without Actuator - Breather Filters - Acid and Alkali Transfer Pumps and Spares - KOMAX Submersible Pump Motors - Services required for the Tubes replacement of Chiller Evaporator - Lube Oil Gear Pump for pre- lubrication of DG Set - Refrigerant (R134a) and related items for Chiller Units - Compact type Anhydrous Air Conditioner Units - Air flow measurement / Maintenance/Tools - Rigging Accessories - Misc. items for Engine Room of RHIBs/HOWRA BOATS - Intrusion Detection System - Fire alarm System Testing Equipment - HID iClass Seos Access Control Cards - Consumables and Tools for Maintenance - Spares of TOA Audio Conferencing System - Industrial PCs - Pressure Switch, Solenoid Valve and Flow Switches - Communication Media and Accessories - Backup and Storage Media - DELTA Pressure Switches - Flexible Metal Hoses - PLC Modules & Connectors - Pressure Calibrators - Audio Communication System - Eddy Current Bobbin Probes for Condenser Tubes - Multimedia Projector with Ceiling Mount Kit & Screen - Network Attached Storage Device (NAS) - Network Ethernet Cable - Computer/Server HDD - Computer/Server SSD - Toners for Ricoh Photocopier Machines - Original (HP) Color Toner Cartridge for CP5225 LaserJet Printer - Gardening Tool - Door Locks & Accessories - HVAC Compressors & Refrigerators The scope covers a wide range of technical, electrical, mechanical, and office-related items required for maintenance, repair, and operational support at the Directorate of Technical Support Karachi. The materials include specialized electronic components, mechanical parts, chemicals, and consumables essential for smooth functioning of technical systems. Bidders must be registered with the tax department and have NTN/STRN numbers. They should have their own offices with telephone contact. Original requests with pay order or bank draft of minimum Rs. 1000 in favor of Directorate of Technical Support must be submitted for purchase of tender documents. Pay order or bank draft must reach the postal address 'Manager (Procurement), DTS, Paradise Point, Hawksbay Road, Karachi' before the tender opening date. All persons should possess original CNIC and be security cleared. The competent authority reserves the right to accept or reject any or all quotations. The tender closing date is **26 December 2026**. Bidders should ensure timely submission of sealed tenders at the specified address. Technical and financial bids should be prepared carefully with all required documentation including earnest money or bid security as per tender instructions. A practical tip for bidders is to carefully verify the tender number and item specifications before submission and ensure that the pay order/bank draft is valid for at least six months from the date of submission to avoid disqualification.