The Bleed Wheels

How much copper wire stood between Chief Engineer Khelil Mansouri and an executioner's bullet behind the reinforced steel hatch? Tidjani gripped the twenty-four-inch cast-bronze spud wrench with both neoprene palms, forty feet beneath the drowning boulevards of Nouar-el-Bahr, determined to pry the turbine control room open before the two mercenaries inside finished taping Mansouri's wrists to a structural pillar. He needed Mansouri alive, he needed the hydraulic bypass valves uncoupled, and he needed sixty thousand cubic meters of toxic stormwater blasted out into the bay before the El-Mellah tenement basements filled to the joists.

Through the six-inch cracked observation pane, the situation was bare geometry. Chief Mansouri knelt on the red linoleum floor beside the central telemetry desk, his coveralls slick with hydraulic oil and blood trickling from a split cheekbone. Behind him stood a mercenary in slate-grey wetsuit trousers and a tactical vest, raising a suppressed nine-millimeter pistol toward the nape of Mansouri's neck. Near the far bulkhead, a second mercenary was packing an aluminum hard-case with ripped telemetry log drives. At the back corner of the room, near the vertical service hoist, a taller squad leader barked rapid coordinate numbers into a throat microphone.

Tidjani did not pause to shout. He jammed the tapered bronze wedge of his spud wrench into the hatch's upper dog-latch, threw his eighty kilos of lead-weighted drysuit against the lever, and sheared the corroded brass latch pin with a sharp metallic crack.

The heavy steel door swung inward on screeched hinges.

Before the mercenary holding the pistol could turn his shoulders, Tidjani leveled the eighty-centimeter pneumatic spear carbine through the gap. His finger crushed the steel trigger shoe.

The carbon-fiber spear punched through the mercenary's tactical vest at fifteen paces. The point embedded deep into the man's sternum with the heavy thunk of an iron chisel striking wet timber. The gunman pitched backward across the linoleum, knocking over a rolling stool and firing two wild rounds into the acoustic ceiling tiles as he collapsed against the motor housing.

The second mercenary dropped his hard-case, whipped a short-barreled carbine from his sling, and swung the muzzle toward the door.

Tidjani had already abandoned the empty speargun. Lunging three paces across the threshold, he grabbed the brass nozzle of the wall-mounted wash-down hose: a two-inch reinforced industrial line running off the station's three-hundred-PSI untreated intake manifold. He slammed the bronze quarter-turn lever fully open.

A solid column of pressurized canal water roared from the nozzle. The gray jet struck the second gunman square in the chest, snapping his collarbone and hurling him backward across the control room. The mercenary slammed hard against the live three-phase alternator enclosure. Sparks erupted in a blinding blue cascade across the damp deck as twelve hundred volts arced through his wet nylon webbing, locking his limbs in a violent, smoking convulsion before tripping the regional breaker.

At the rear of the vault, the squad leader did not draw his sidearm. The man kicked the steel ladder rungs of the vertical hoist shaft, hurled an iron hatch grating downward to block pursuit, and scrambled upward into the dark vertical conduit toward the street-level storm head. The heavy overhead hatch slammed shut with a reverberating bang, the deadbolt rattling into its iron receiver from above.

The control room fell into an abrupt, sputtering stillness, broken only by the hum of the auxiliary emergency lights and the hiss of ruptured steam pipes.

Tidjani dropped the heavy hose to the floor, letting cold black water pool around his rubber work boots. He drew his municipal line knife, stepped over the dead gunman, and sliced through the industrial zip-ties binding Chief Mansouri's wrists.

Mansouri fell forward onto his hands and knees, coughing violently and spitting a glob of dark red phlegm onto the wet floor tiles. He looked up at Tidjani's scratched bronze helmet collar, his eyes wide and bloodshot under the harsh yellow emergency beams.

"You're late, Old Brass-Lung," Mansouri croaked, rubbing the raw red welts around his wrists. "Bureau dispatch said you were chum in Turbine Four forty minutes ago."

"My umbilical got trimmed by three hundred pounds of muscle and teeth," Tidjani said. His voice was hoarse, rattling against the damp neck gasket of his open suit. "And I don't work for bureau dispatch. I work on hazard pay."

Tidjani reached into his ballast belt pouch, pulled out the two disarmed electric blasting caps he had cut from the thermite blocks on the mezzanine, and tossed the shiny brass cylinders onto Mansouri's desk. They rolled across a stack of waterlogged daily pump logs with a dry clatter.

"Put those on my overtime slip," Tidjani said. "They tried to weld your hydraulic accumulators into slag. Nabil is dead on the lower walkway."

Mansouri stared at the detonators, then closed his eyes for a single ragged second. His chest hitched, his jaw setting hard into his greasy gray beard. When he opened them, the weariness had hardened into practical fury.

"Nabil had two kids in Ward Five," Mansouri whispered. He pushed himself upright, bracing one palm against the scarred formica desk. "The scum who did this didn't just bring guns, Tidjani. They bypassed our digital logic board. The electronic actuators for the river sluices are fried. Completely dead."

"What about the manual bleed wheels?" Tidjani asked. He pointed his spud wrench toward the bulkhead door marked Primary Sluice Gallery — Manual Override. "The direct gear linkages still hold?"

"They hold forty tons of river head," Mansouri said, limping toward the bulkhead door. "Without the auxiliary hydraulics, it takes three men and a chain-fall to budge the bronze screws. If we don't crack them now, the retention basin breaches in six minutes. El-Mellah gets five feet of raw storm sewage."

"Then stop talking about your knees," Tidjani said.

They entered the narrow manual sluice gallery. Two massive cast-iron control wheels, each four feet in diameter and thick with red lead primer, hung from the concrete wall above the dual vertical drive shafts. Outside the reinforced masonry walls, the muffled, monstrous drumming of millions of gallons of backed-up storm runoff vibrated through the foundation bolts.

Mansouri grabbed the spokes of the western wheel, his boots slipping on the slick concrete curb. "On three. Put your shoulder into it, diver!"

Tidjani stepped onto the steel curb beside him. He wedged the handle of his bronze spud wrench through the heavy spokes of the iron wheel to gain two feet of mechanical leverage.

"Pull," Tidjani grunted.

They hauled together. The bronze wrench bowed slightly under the tremendous torque. For two agonizing seconds, the drive shaft refused to budge, frozen by years of silt and forty vertical feet of hydrostatic pressure. Tidjani drove his steel-toed dive boot into the concrete sill, locked his spine, and shoved with the full deadweight of his diving harness.

With a shriek of dry bronze gears that echoed like an artillery shell inside the concrete gallery, the manual screw yielded.

The cast-iron wheel gave a half turn, then another. Deep beneath their feet, the massive steel floodgate groaned within its vertical guides. A dull, concussive roar shook the deck as the bottom lip of the sluice cleared the culvert sill. Pressurized blackwater rushed into the ocean outflow tunnel with the sound of a subterranean freight train, pulling air through the ceiling vents in a sudden, howling updraft.

"It's moving!" Mansouri yelled over the deafening hydraulic rumble. He threw his weight against the second wheel, his veins bulging against his neck. "Give me the wrench!"

Tidjani shifted the bronze lever to the eastern wheel. Together, they drove the second drive shaft down, turn by turn, muscle and grease fighting against the river. The floor plates hummed with ferocious kinetic power as the emergency bypass opened, drinking twenty thousand liters a second from the drowning basin above.

On the gallery wall, the analog differential pressure gauge shuddered. Its black needle jerked backward from the red warning pin, dropping from four bars down to two and a half.

Mansouri slumped against the damp concrete wall, his chest heaving as he wiped greasy sweat from his brow with the back of a torn sleeve. "Water level in the El-Mellah collector is dropping. The sea gates are taking the head. We bought the low wards four hours."

"Four hours isn't a cure," Tidjani said, wiping grease from the spud wrench. "Look at the screens."

Mansouri pushed himself off the wall and followed Tidjani back into the control room.

On the main console, among five shattered CRT displays, a single green-phosphor monitor flickered with live telemetry from the municipal street-level surveillance feed at the canal bridge. The camera pointed down through torrential rain toward the main stormwater intake basin on the northern boulevard.

Parked under the orange streetlights stood three unmarked commercial tank trucks bearing the distinct stylized falcon crest of the Sebkha Reclamation Consortium.

On the screen, four figures in heavy industrial slickers rolled twenty-gallon pressurized steel drums off the hydraulic liftgates. As Mansouri watched in silent horror, the men wrenched the drum valves open, dumping pale, writhing coils of rubbery, egg-packed biomass straight into the churning intake flumes.

Mansouri pointed a trembling, grease-stained finger at the screen.

"They aren't just sabotaging Sump Four," Mansouri whispered, the blood draining from his weathered face. "They're seeding the entire municipal grid."